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TI-2026-02628 Aliases CVE-2026-3044GHSA-3m9c-j7xc-gc2c

Tenda AC8 Httpd Service UploadCfg webCgiGetUploadFile stack-based overflow

Priority MEDIUM 40CWE-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 has been found in Tenda AC8 16.03.34.06. This affects the function webCgiGetUploadFile of the file /cgi-bin/UploadCfg of the component Httpd Service. The manipulation of the argument boundary leads to stack-based buffer overflow. It is possible to initiate the attack 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 0.0057 47th 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
TendaAC816.03.34.06—No fix listedCNA
  • AC8 VendorTenda Affected 16.03.34.06 Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:o:tenda:ac8_firmware:16.03.34.06:*:*:*:*:*:*:*16.03.34.06VulnerableTenda
cpe:2.3:h:tenda:ac8:-:*:*:*:*:*:*:*not specified by NVDRunning onTenda
  • cpe:2.3:o:tenda:ac8_firmware:16.03.34.06:*:*:*:*:*:*:* Versions 16.03.34.06 Vulnerable ·Tenda
  • cpe:2.3:h:tenda:ac8:-:*:*:*:*:*:*:* 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-2026-3044
  2. 2026-10-03 Alias added: GHSA-3m9c-j7xc-gc2c
  3. 2026-10-25 EPSS moved to the below the 50th percentile

References

Exploit 1

Other 1

  • TI-2025-20992 Tenda AC8 V16.03.34.06 is vulnerable to Buffer Overflow in the fromSetRouteStatic function via the parameter list. CVSS 3.1CRITICAL 9.8
  • TI-2024-31083 Tenda AC8v4 V16.03.34.06 has a stack overflow vulnerability in the fromAdvSetMacMtuWan function. CVSS 3.1CRITICAL 9.8
  • TI-2023-20197 Tenda AC10 V1.0 V15.03.06.23, AC1206 V15.03.06.23, AC8 v4 V16.03.34.06, AC6 V2.0… CVSS 3.1CRITICAL 9.8
  • TI-2023-20195 Tenda AC1206 V15.03.06.23, AC8 V4 V16.03.34.06, AC5 V1.0 V15.03.06.28, AC10 v4.0… CVSS 3.1CRITICAL 9.8
  • TI-2023-20191 Tenda AC10 V1.0 V15.03.06.23, AC1206 V15.03.06.23, AC8 v4 V16.03.34.06, AC6 V2.0… CVSS 3.1CRITICAL 9.8
  • TI-2023-04372 Tenda AC8 formSetDeviceName stack-based overflow CVSS 3.1CRITICAL 9.8
See all 61 →

Sources

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