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TI-2023-21622 Aliases CVE-2023-40942GHSA-jw52-33wp-prp2

Tenda AC9 V3.0BR_V15.03.06.42_multi_TD01 was discovered stack overflow via parameter…

Priority HIGH 82CWE-787Published · 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-787 and the CVSS impact.

Summary

Tenda AC9 V3.0BR_V15.03.06.42_multi_TD01 was discovered stack overflow via parameter 'firewall_value' at url /goform/SetFirewallCfg.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00838 58th 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
Yes
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:tendacn:ac9_firmware:15.03.06.42_multi_td0:*:*:*:*:*:*:*15.03.06.42_multi_td0VulnerableTendacn
cpe:2.3:h:tendacn:ac9:3.0:*:*:*:*:*:*:*3.0Running onTendacn
  • cpe:2.3:o:tendacn:ac9_firmware:15.03.06.42_multi_td0:*:*:*:*:*:*:* Versions 15.03.06.42_multi_td0 Vulnerable ·Tendacn
  • cpe:2.3:h:tendacn:ac9:3.0:*:*:*:*:*:*:* Versions 3.0 Running on ·Tendacn

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2023-40942
  2. 2026-10-03 Alias added: GHSA-jw52-33wp-prp2

References

Exploit 1

  • TI-2025-20964 Tenda AC9 v15.03.05.19(6318) was discovered to contain a buffer overflow via the formWifiWpsOOB function. CVSS 3.1MEDIUM 5.9
  • TI-2020-14266 Stack-based buffer overflow in Tenda AC-10U AC1200 Router… CVSS 3.1CRITICAL 9.8
  • TI-2020-10504 An issue was discovered on Tenda AC6 V1.0 V15.03.05.19_multi_TD01, AC9 V1.0… CVSS 3.1CRITICAL 9.8
  • TI-2020-10505 An issue was discovered on Tenda AC6 V1.0 V15.03.05.19_multi_TD01, AC9 V1.0… CVSS 3.1CRITICAL 9.8
  • TI-2020-10503 An issue was discovered on Tenda AC6 V1.0 V15.03.05.19_multi_TD01, AC9 V1.0… CVSS 3.1CRITICAL 9.8
  • TI-2020-10502 An issue was discovered on Tenda AC6 V1.0 V15.03.05.19_multi_TD01, AC9 V1.0… CVSS 3.1CRITICAL 9.8
See all 16 →

Sources

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