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TI-2025-04388 Aliases CVE-2025-4896GHSA-h27g-3gmj-f4j6

Tenda AC10 UserCongratulationsExec buffer overflow

Priority MEDIUM 41CWE-119Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-119 and the CVSS impact.

Summary

A vulnerability was found in Tenda AC10 16.03.10.13 and classified as critical. Affected by this issue is some unknown functionality of the file /goform/UserCongratulationsExec. The manipulation of the argument getuid leads to buffer overflow. The attack may be launched remotely. The exploit has been disclosed to the public and may be used.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00891 59th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
TendaAC1016.03.10.13—No fix listedCNA
  • AC10 VendorTenda Affected 16.03.10.13 Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:o:tenda:ac10_firmware:16.03.10.13:*:*:*:*:*:*:*16.03.10.13VulnerableTenda
cpe:2.3:h:tenda:ac10:-:*:*:*:*:*:*:*not specified by NVDRunning onTenda
  • cpe:2.3:o:tenda:ac10_firmware:16.03.10.13:*:*:*:*:*:*:* Versions 16.03.10.13 Vulnerable ·Tenda
  • cpe:2.3:h:tenda:ac10:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Tenda

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2025-4896
  2. 2026-10-03 Alias added: GHSA-h27g-3gmj-f4j6

References

Exploit 1

Other 1

  • TI-2018-10434 An issue was discovered on Tenda AC7 devices with firmware through V15.03.06.44_CN(AC7)… KEVCVSS 3.1CRITICAL 9.8
  • TI-2025-41117 A Buffer overflow vulnerability in function fromAdvSetMacMtuWan of bin httpd in Tenda… CVSS 3.1CRITICAL 9.8
  • TI-2025-28844 Tenda AC10 V1.0re_V15.03.06.46 is vulnerable to Buffer Overflow in the… CVSS 3.1CRITICAL 9.8
  • TI-2025-19007 Tenda AC10 V4.0si_V16.03.10.20 is vulnerable to Buffer Overflow in AdvSetMacMtuWan via mac2. CVSS 3.1CRITICAL 9.8
  • TI-2023-24356 Tenda AC10 version US_AC10V4.0si_V16.03.10.13_cn was discovered to contain a stack… CVSS 3.1CRITICAL 9.8
  • TI-2023-22562 Buffer Overflow vulnerability in Tenda AC10V4 v.US_AC10V4.0si_V16.03.10.13_cn_TDC01… CVSS 3.1CRITICAL 9.8
See all 91 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences