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VulnerabilityPublished

CVE-2025-9309: Tenda AC10 · Hard-coded Credentials

Affects Tenda AC10Source CVE Database V5

0

Public exploit available · CVSS 2.0 Low.

Data as of 26 Oct 2026, 10:12 UTC

CVSS 4.0 base score
2.0Low
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.2% chance of exploitation in 30 days – higher than 12% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 21 Aug 2025

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponised: evidence found.

    CVSS exploit maturity: proof of concept public

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), CVSS vector, the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.

What to do

Affected software

ProductAffectedFixed in
Tenda AC10Affected
  • =16.03.10.13
Fixed in–

AI-suggested

To mitigate this vulnerability, European organizations using Tenda AC10 routers should: 1) Immediately check for firmware updates or patches from Tenda addressing this issue; if none are available, consider contacting the vendor for guidance or timelines. 2) Restrict physical and local network access to devices, ensuring only authorized personnel can connect directly to the router. 3) Implement network segmentation to isolate vulnerable devices from critical network assets, reducing the risk of lateral movement. 4) Monitor network traffic and device logs for unusual access patterns or authentication attempts that could indicate exploitation attempts. 5) Where feasible, replace affected devices with models that do not contain hard-coded credentials or have better security postures. 6) Employ strong network access controls and endpoint security to prevent attackers from gaining local access to the device environment. These steps go beyond generic advice by focusing on access control, network architecture, and vendor engagement specific to this vulnerability's characteristics.

Description

A vulnerability was found in Tenda AC10 16.03.10.13. Affected is an unknown function of the file /etc_ro/shadow of the component MD5 Hash Handler. Performing manipulation results in hard-coded credentials. The attack needs to be approached locally. A high degree of complexity is needed for the attack. The exploitability is told to be difficult. The exploit has been made public and could be used.

References

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