Skip to content
Noroxi
CVE-2025-71020· NVD / CVE Program· CNA mitre

Tenda AX-1806 v1.0.0.1 was discovered to contain a stack overflow in the security parameter of the sub_4C408 function.

Tenda AX-1806 v1.0.0.1 was discovered to contain a stack overflow in the security parameter of the sub_4C408 function. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted request.

HighCVSS 7.5 · v3.1—No exploit No fix recorded
Published
Jan 16, 2026
Updated
Jun 17, 2026
EPSS
0.4% · 27th percentile
Follow this CVE

Sign in to follow · You’ll be notified if a followed record enters KEV, gets an exploit or is updated.

Report tools

JSON

Action score

30

Monitor

Low priority for now.

CVSS
30 / 40 · 7.5 / 10
CISA KEV
0 / 30 · Not listed
EPSS
0 / 30 · 0.4%

CISA SSVC decision

Exploitation
proof of concept
Automatable
yes
Technical impact
partial

Vulnrichment: CISA's decision-tree inputs.

Affected systems

VendorProduct
tendaax1806 firmware
tendaax1806

Affected versions

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

  • tenda ax1806 firmware1.0.0.1

Same product

tenda: all records

Other highest-scoring records for the same primary product.

  • CVE-2022-32032Tenda AX1806 v1.0.0.1 was discovered to contain a stack overflow via the deviceList parameter in the function formAddMacfilterRule.
    42Plan
  • CVE-2022-34597Tenda AX1806 v1.0.0.1 was discovered to contain a command injection vulnerability via the function WanParameterSetting.
    40Plan
  • CVE-2024-44557Tenda AX1806 v1.0.0.1 contains a stack overflow via the iptv.stb.mode parameter in the function setIptvInfo.
    39Monitor
  • CVE-2024-44555Tenda AX1806 v1.0.0.1 contains a stack overflow via the iptv.city.vlan parameter in the function setIptvInfo.
    39Monitor
  • CVE-2024-44553Tenda AX1806 v1.0.0.1 contains a stack overflow via the iptv.stb.mode parameter in the function formGetIptv.
    39Monitor
  • CVE-2024-44552Tenda AX1806 v1.0.0.1 contains a stack overflow via the adv.iptv.stballvlans parameter in the function formGetIptv.
    39Monitor

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.

  • CVE-2025-707460 days apartTenda AX-1806 v1.0.0.1 was discovered to contain a stack overflow in the timeZone parameter of the fromSetSysTime function.
    30Monitor
  • CVE-2025-706561 days apartTenda AX-1806 v1.0.0.1 was discovered to contain a stack overflow in the mac parameter of the sub_65B5C function.
    30Monitor
  • CVE-2025-707441 days apartTenda AX-1806 v1.0.0.1 was discovered to contain a stack overflow in the cloneType parameter of the sub_65B5C function.
    30Monitor
  • CVE-2025-710191 days apartTenda AX-1806 v1.0.0.1 was discovered to contain a stack overflow in the wanSpeed parameter of the sub_65B5C function.
    30Monitor
  • CVE-2025-707472 days apartTenda AX-1806 v1.0.0.1 was discovered to contain a stack overflow in the serviceName parameter of the sub_65A28 function.
    30Monitor
  • CVE-2025-710212 days apartTenda AX-1806 v1.0.0.1 was discovered to contain a stack overflow in the serverName parameter of the sub_65A28 function.
    30Monitor

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.
  • No user action is required.
  • No special conditions are required; it is repeatable.

If successful

Confidentiality
none
Integrity
none
Availability
high · the service can be disrupted
Attack vector
Network
Attack complexity
Low
Privileges required
None
User interaction
None
Scope
Unchanged
Confidentiality impact
None
Integrity impact
None
Availability impact
High

Weakness class (CWE)

CWE-121 · Stack-based Buffer Overflow

CVSS vector

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

nvd-secondary

Attack context

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

MITRE has no CAPEC/ATT&CK mapping for this CWE.

Noroxi analysis

No Noroxi analysis for this record yet

We don't hand-write analysis for all 385,000+ vulnerabilities; that wouldn't be honest. For notable, high-impact vulnerabilities our team writes the mechanism, detection and remediation steps.

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.

All records