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TI-2024-03646 Aliases CVE-2024-3908GHSA-q7j7-mp2g-wrw8

Tenda AC500 WriteFacMac formWriteFacMac command injection

Priority MEDIUM 53CWE-77Published · Updated

Key facts

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

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-77.

Summary

A vulnerability classified as critical has been found in Tenda AC500 2.0.1.9(1307). Affected is the function formWriteFacMac of the file /goform/WriteFacMac. The manipulation of the argument mac leads to command injection. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used. The identifier of this vulnerability is VDB-261144. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.08718 95th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA and NVD
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
Partial

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

Affected products

VendorProductAffected versionsFixed inStatusSource
TendaAC5002.0.1.9(1307)—No fix listedCNA
  • AC500 VendorTenda Affected 2.0.1.9(1307) Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:o:tenda:ac500_firmware:2.0.1.9\(1307\):*:*:*:*:*:*:*2.0.1.9(1307)VulnerableTenda
cpe:2.3:h:tenda:ac500:-:*:*:*:*:*:*:*not specified by NVDRunning onTenda
  • cpe:2.3:o:tenda:ac500_firmware:2.0.1.9\(1307\):*:*:*:*:*:*:* Versions 2.0.1.9(1307) Vulnerable ·Tenda
  • cpe:2.3:h:tenda:ac500:-:*:*:*:*:*:*:* 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-2024-3908
  2. 2026-10-03 Alias added: GHSA-q7j7-mp2g-wrw8
  3. 2026-10-06 EPSS moved to the 95th–99th percentile

References

  • TI-2023-10679 Tenda AC500 V2.0.1.9(1307) is vulnerable to Buffer Overflow in function fromRouteStatic… CVSS 3.1CRITICAL 9.8
  • TI-2024-03645 Tenda AC500 setcfm formSetCfm stack-based overflow CVSS 3.1CRITICAL 9.8
  • TI-2023-10680 Tenda AC500 V2.0.1.9(1307) is vulnerable to Buffer Overflow in function fromAddressNat… CVSS 3.1CRITICAL 9.8
  • TI-2025-06923 Tenda AC500 setWtpData formSetAPCfg stack-based overflow CVSS 4.0HIGH 8.7
  • TI-2023-24718 A Buffer Overflow vulnerability in Tenda AC500 v.2.0.1.9 allows a remote attacker to… CVSS 3.1HIGH 7.5
  • TI-2024-03648 Tenda AC500 DhcpListClient fromDhcpListClient stack-based overflow CVSS 3.1HIGH 8.8
See all 15 →

Sources