Skip to content
Noroxi
CVE-2025-9377· NVD / CVE Program· CNA TPLink

Authenticated RCE via Parental Control command injection

Noroxi assessment

Priority: This week (action score 75/100)

  • CISA has confirmed exploitation in the wild (Sep 3, 2025). Remediation deadline for US federal agencies: Sep 24, 2025.
  • Probability of exploitation in the next 30 days: 37.7% (FIRST EPSS); higher than 98.5% of all records.
  • Anyone who can reach it over the internet can trigger it. Administrator privileges are required. No user action is required. No special conditions are required; it is repeatable.
  • Fixed version: TP-Link Systems Inc. Archer C7(EU) V2 241108; TP-Link Systems Inc. TL-WR841N/ND(MS) V9 241108.

Don’t wait for the next maintenance window. Upgrade to TP-Link Systems Inc. Archer C7(EU) V2 241108; TP-Link Systems Inc. TL-WR841N/ND(MS) V9 241108 or later.

Generated automatically from the record's data: CVSS (NVD and CNA), CISA KEV and SSVC, FIRST EPSS, exploit sources, fixed versions. How we calculate it

Primary sources: NVD · CVE.org · CISA KEV · FIRST EPSS

The authenticated remote command execution (RCE) vulnerability exists in the Parental Control page on TP-Link Archer C7(EU) V2 and TL-WR841N/ND(MS) V9. This issue affects Archer C7(EU) V2: before 241108 and TL-WR841N/ND(MS) V9: before 241108. Both products have reached the status of EOL (end-of-life). It's recommending to purchase the new product to ensure better performance and security. If replacement is not an option in the short term, please use the second reference link to download and install the patch(es).

HighCVSS 8.6 · v4.0KEVWeaponized Fix available
Published
Aug 29, 2025
Updated
Oct 18, 2026
EPSS
37.7% · 98th percentile

Report tools

JSON

Action score

75

This week

Don’t wait for the next maintenance window.

CVSS
34 / 40 · 8.6 / 10
CISA KEV
30 / 30 · Listed
EPSS
11 / 30 · 37.7%

CISA SSVC decision

Exploitation
active
Automatable
no
Technical impact
total

Vulnrichment: CISA's decision-tree inputs.

CNA vs NVD score

NVD
—
CNA · TPLink
8.6
NVD has not scored this yet; the score shown is the CNA’s.

CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

The score given by the assigning authority versus NVD’s independent score. A gap means the severity is contested.

Actively exploited in the wild

CISA added this to its Known Exploited Vulnerabilities catalog on Sep 3, 2025. That signals real attacks, not theory.

Remediation deadline for US federal agencies: Sep 24, 2025.

Get told when this record changes

  • In CISA KEV: exploitation in the wild confirmed
  • Weaponized exploit exists
  • A fix has been released

If any of these changes, we'll tell you in the daily email digest.

Follow CVE-2025-9377

When you'll hear from us

  • when it enters CISA KEV
  • when exploit code appears or is weaponized
  • when the record is updated (including a fixed version)
  • when EPSS rises 20 points in a week

One daily email digest (06:00 UTC); connect a webhook for KEV listings and weaponized exploits instantly.

Your free account also gets you

Running WordPress? Scan your site free with WP Lens

  • Stack alerts: add the products and versions you run, get the new CVEs that affect them
  • Uptime monitoring: 1 site, instant email when it goes down
  • Add your domain: subdomains and takeover risk scanned every week (1 domain)
  • 10 scans an hour on the security tools (3 a day without an account), an API key and MCP
  • All your scans in one panel: findings, what changed in the last scan, a report per domain or per client (PDF, share link)
All free tools

Sign up with email · Have an account? Sign in

Free account, no card. Unfollow any time.

Don't want an account? Get "Exploited this week" by email every MondayDon't want an account? RSS feed for tp-link records

Running WordPress? Scan your site free with WP Lens

Is your version affected? Check it

Noroxi analysis

What does it mean in your environment?

The assessment above is generated automatically from the record's data; it doesn't know your environment. Our team verifies on your systems whether this vulnerability is actually exploitable and which mitigation is enough.

We use this product, ask for help

Affected systems

Is your version affected?

Pick the product and type the version you run. It's compared with this record's version ranges in your browser; the version isn't sent anywhere.

VendorProduct
tp-linktl-wr841n firmware
tp-linktl-wr841n
tp-linktl-wr841nd firmware
tp-linktl-wr841nd
tp-linkarcher c7 firmware
tp-linkarcher c7

Affected versions

NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.

  • tp-link archer c7 firmwarebefore 241108
  • tp-link tl-wr841n firmwarebefore 241108
  • tp-link tl-wr841nd firmwarebefore 241108

Versions reported by the vendor

Affected version ranges reported by the assigning authority (TPLink). Independent of NVD's CPE analysis and usually ahead of it.

  • TP-Link Systems Inc. Archer C7(EU) V2

    • before 241108affected · date

  • TP-Link Systems Inc. TL-WR841N/ND(MS) V9

    • before 241108affected · date

Same product

tp-link: all records

Other highest-scoring records for the same primary product.

  • CVE-2023-50224TP-Link TL-WR841N dropbearpwd Improper Authentication Information Disclosure VulnerabilityKEV
    62This week
  • CVE-2020-35576A Command Injection issue in the traceroute feature on TP-Link TL-WR841N V13 (JP) with firmware versions prior to 201216 allows authenticate
    48Plan
  • CVE-2022-25073TL-WR841Nv14_US_0.9.1_4.18 routers were discovered to contain a stack overflow in the function dm_fillObjByStr().
    43Plan

Published before and after this one in the same product

  • ← EarlierCVE-2025-53714Jul 29, 2025 · TP-Link TL-WR841N WzdWlanSiteSurveyRpm_AP.htm buffer overflow
    27Monitor
  • ← EarlierCVE-2025-53715Jul 29, 2025 · TP-Link TL-WR841N Wan6to4TunnelCfgRpm.htm buffer overflow
    27Monitor
  • Later →CVE-2025-9014Jan 15, 2026 · Null Pointer Dereference Vulnerability on TL-WR841N
    25Monitor

Remediation

Which version to upgrade to

Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.

Product / packageFixed versionSource
TP-Link Systems Inc. Archer C7(EU) V2241108Vendor (CNA)
TP-Link Systems Inc. TL-WR841N/ND(MS) V9241108Vendor (CNA)

Exploit status

Weaponized

A ready exploit tool or active in-the-wild use is known for this vulnerability. This should be your top priority.

Research context

For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.

Timeline

From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.

  1. Published
  2. CISA KEV+4 d
  3. TodayOct 24, 2026+420 d
EPSS, last 120 days+1% in 7 days

FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).

Patch and commit links

Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.

No commit or PR link among the references.

Credits

All researchers

Finders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.

No credits in the CNA record.

Variant candidates

Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.

  • CVE-2023-39471484 days apartTP-Link TL-WR841N ated_tp Command Injection Remote Code Execution Vulnerability
    35Monitor

Chain candidates

An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.

—

Bug bounty scope

No known public program.

Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).

Technical details

Attack conditions

  • Anyone who can reach it over the internet can trigger it.
  • Administrator privileges are required.
  • No user action is required.
  • No special conditions are required; it is repeatable.

If successful

Confidentiality
Integrity
Availability
Attack vector
Network
Attack complexity
Low
Privileges required
High
User interaction
None
Scope
X

Weakness class (CWE)

CWE-78 · Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

nvd-secondary

Root cause

User input is inserted as text into a shell command. The shell may interpret special characters in the input as part of the command.

The bug in code

The whole CWE-78 class

A representative example of this vulnerability class. Not the vendor's source code; it shows the faulty pattern and its fix.

Vulnerable

ts
const host = req.body.host;exec("ping -c 1 " + host, onResult);

Fixed

ts
const host = req.body.host;if (!/^[a-z0-9.-]{1,253}$/i.test(host)) return res.sendStatus(400);execFile("ping", ["-c", "1", host], onResult);

Attack context

MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.

ATT&CK techniques

—

Change log

  1. Fix✗ → ✓

For records you follow, these changes also arrive as notifications. →

References

Show all references (2 more)

Vendor advisories and official records. Exploit/PoC links are deliberately left out.

All records