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CVE-2017-18700· NVD / CVE Program· CNA mitre

Certain NETGEAR devices are affected by stored XSS.

Certain NETGEAR devices are affected by stored XSS. This affects D6400 before 1.0.0.60, D7000 before 1.0.1.50, D8500 before 1.0.3.29, EX6200 before 1.0.3.84, EX7000 before 1.0.0.60, R6250 before 1.0.4.16, R6300v2 before 1.0.4.18, R6400 before 1.01.32, R6400v2 before 1.0.2.44, R6700 before 1.0.1.36, R6900 before 1.0.1.34, R6900P before 1.3.0.8, R7000 before 1.0.9.14, R7000P before 1.3.0.8, R7100LG before 1.0.0.34, R7300DST before 1.0.0.56, R7900 before 1.0.1.26, R8000 before 1.0.4.4, R8300 before 1.0.2.106, R8500 before 1.0.2.106, R9000 before 1.0.2.52, WNDR3400v3 before 1.0.1.16, WNR3500Lv2 before 1.2.0.46, and WNDR3700v5 before 1.1.0.48.

MediumCVSS 6.1 · v3.1—No exploit No fix recorded
Published
Apr 24, 2020
Updated
Jun 16, 2026
EPSS
0.6% · 49th percentile
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JSON

Action score

24

Monitor

Low priority for now.

CVSS
24 / 40 · 6.1 / 10
CISA KEV
0 / 30 · Not listed
EPSS
0 / 30 · 0.6%

CNA vs NVD score

NVD
6.1
CNA · mitre
5.2
0.9 point gap

CVSS:3.0/AC:L/AV:A/A:N/C:L/I:L/PR:N/S:C/UI:R

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

Affected systems

VendorProduct
netgeard6400 firmware
netgeard6400
netgeard7000 firmware
netgeard7000
netgeard8500 firmware
netgeard8500
netgearex6200 firmware
netgearex6200
netgearex7000 firmware
netgearex7000
netgearr6250 firmware
netgearr6250

and 34 more

Affected versions

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

  • netgear d6400 firmwarebefore 1.0.0.60
  • netgear d7000 firmwarebefore 1.0.1.50
  • netgear d8500 firmwarebefore 1.0.3.29
  • netgear ex6200 firmwarebefore 1.0.3.84
  • netgear ex7000 firmwarebefore 1.0.0.60
  • netgear r6250 firmwarebefore 1.0.4.16
  • netgear r6300 firmwarebefore 1.0.4.18
  • netgear r6400 firmwarebefore 1.01.32
  • netgear r6400 firmwarebefore 1.0.2.44
  • netgear r6700 firmwarebefore 1.0.1.36
  • netgear r6900 firmwarebefore 1.0.1.34
  • netgear r6900p firmwarebefore 1.3.0.8
  • netgear r7000 firmwarebefore 1.0.9.14
  • netgear r7000p firmwarebefore 1.3.0.8
  • netgear r7100lg firmwarebefore 1.0.0.34
  • netgear r7300dst firmwarebefore 1.0.0.56
  • netgear r7900 firmwarebefore 1.0.1.26
  • netgear r8000 firmwarebefore 1.0.4.4
  • netgear r8300 firmwarebefore 1.0.2.106
  • netgear r8500 firmwarebefore 1.0.2.106

Same product

netgear: all records

Other highest-scoring records for the same primary product.

  • CVE-2018-21162Certain NETGEAR devices are affected by command injection by an unauthenticated attacker.
    40Plan
  • CVE-2019-20728Certain NETGEAR devices are affected by a buffer overflow by an authenticated user.
    26Monitor
  • CVE-2025-7407Netgear D6400 diag.cgi os command injection
    11Monitor

Remediation

Which version to upgrade to

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

No fix version is recorded for this entry. Check the references for vendor advisories.

Exploit status

No known public exploit

No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.

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.

No dated events beyond publication.

EPSS, last 120 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.

No nightly-computed relations.

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.
  • No account or password is required.
  • A user must open a link or visit a page.
  • No special conditions are required; it is repeatable.

If successful

Confidentiality
low · data can be read
Integrity
low · data or configuration can be modified
Availability
none

Impact can extend beyond the vulnerable component (scope changes).

Attack vector
Network
Attack complexity
Low
Privileges required
None
User interaction
Required
Scope
Changed
Confidentiality impact
Low
Integrity impact
Low
Availability impact
None

Weakness class (CWE)

CWE-79 · Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

nvd-primary

Root cause

User content is inserted into the page as HTML. The browser interprets the content as code rather than data.

The bug in code

The whole CWE-79 class

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

Vulnerable

ts
commentEl.innerHTML = comment.body;

Fixed

ts
commentEl.textContent = comment.body;

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

—

Noroxi analysis

No Noroxi analysis for this record yet

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We use this product, ask for help

Change log

No changes recorded on tracked fields yet. Score, KEV, exploit maturity and fix status changes appear here.

References

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

All records