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TI-2025-08227 Aliases CVE-2025-8980GHSA-mq67-q3fx-f62h

Tenda G1 Firmware Update check_upload_file data authenticity

Priority HIGH 68CWE-345Published · Updated

Key facts

Attack vector
Network
Privileges required
High
User interaction
None
Attack complexity
High
Attack requirements
None
Impact type
Security bypass
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-345.

Summary

A vulnerability has been found in Tenda G1 16.01.7.8(3660). Affected by this issue is the function check_upload_file of the component Firmware Update Handler. The manipulation leads to insufficient verification of data authenticity. The attack may be launched remotely. The complexity of an attack is rather high. The exploitation is known to be difficult. The exploit has been disclosed to the public and may be used.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00405 35th 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
Poc
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
TendaG116.01.7.8(3660)—No fix listedCNA
  • G1 VendorTenda Affected 16.01.7.8(3660) Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:o:tenda:g1_firmware:16.01.7.8\(3660\):*:*:*:*:*:*:*16.01.7.8(3660)VulnerableTenda
cpe:2.3:h:tenda:g1:-:*:*:*:*:*:*:*not specified by NVDRunning onTenda
  • cpe:2.3:o:tenda:g1_firmware:16.01.7.8\(3660\):*:*:*:*:*:*:* Versions 16.01.7.8(3660) Vulnerable ·Tenda
  • cpe:2.3:h:tenda:g1:-:*:*:*:*:*:*:* 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-2025-8980
  2. 2026-10-03 Alias added: GHSA-mq67-q3fx-f62h

References

Exploit 1

Patch 1

Other 1

  • TI-2025-43136 Tenda G1V3.1si V16.01.7.8 Firmware V16.01.7.8 was discovered to contain a hardcoded… CVSS 3.1HIGH 8.4
  • TI-2021-09136 Buffer Overflow in Tenda G1 and G3 routers with firmware v15.11.0.17(9502)_CN allows… CVSS 3.1CRITICAL 9.8
  • TI-2021-09135 Buffer Overflow in Tenda G1 and G3 routers with firmware version V15.11.0.17(9502)_CN… CVSS 3.1CRITICAL 9.8
  • TI-2021-09134 Buffer Overflow in Tenda G1 and G3 routers with firmware v15.11.0.17(9502)_CN allows… CVSS 3.1CRITICAL 9.8

Sources

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