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TI-2025-43136 Aliases CVE-2025-70802GHSA-8x29-qfmf-3r57

Tenda G1V3.1si V16.01.7.8 Firmware V16.01.7.8 was discovered to contain a hardcoded…

Priority HIGH 72CWE-259Published · Updated

Key facts

Attack vector
Local
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Security bypass
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-259.

Summary

Tenda G1V3.1si V16.01.7.8 Firmware V16.01.7.8 was discovered to contain a hardcoded password vulnerability in /etc_ro/shadow, which allows attackers to log in as root.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00208 10th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
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
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:o:tenda:g1_firmware:16.01.7.8:*:*:*:*:*:*:*16.01.7.8VulnerableTenda
cpe:2.3:h:tenda:g1:3.1:*:*:*:*:*:*:*3.1Running onTenda
  • cpe:2.3:o:tenda:g1_firmware:16.01.7.8:*:*:*:*:*:*:* Versions 16.01.7.8 Vulnerable ·Tenda
  • cpe:2.3:h:tenda:g1:3.1:*:*:*:*:*:*:* Versions 3.1 Running on ·Tenda

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2025-70802
  2. 2026-10-03 Alias added: GHSA-8x29-qfmf-3r57

References

Exploit 1

Other 1

  • TI-2025-08227 Tenda G1 Firmware Update check_upload_file data authenticity CVSS 4.0HIGH 7.5
  • 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