A buffer overflow in the HTTP server component of Tenda RX9 Pro v22.03.02.20 might allow…
Priority LOW 32CWE-787Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- None · Low · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA.
Summary
A buffer overflow in the HTTP server component of Tenda RX9 Pro v22.03.02.20 might allow an authenticated attacker to overwrite memory.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00641 50th 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
- 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
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2023-43886
- 2026-10-03 Alias added: GHSA-764w-jhrm-cmvw
- 2026-10-21 EPSS moved to the 50th–90th percentile
References
More Tenda Rx9 Pro Firmware vulnerabilities
- TI-2024-09528 Tenda RX9/RX9 Pro SetNetControlList sub_4337EC stack-based overflow CVSS 4.0HIGH 8.7
- TI-2024-09527 Tenda RX9/RX9 Pro SetVirtualServerCfg sub_42EA38 stack-based overflow CVSS 4.0HIGH 8.7
- TI-2024-09526 Tenda RX9/RX9 Pro SetStaticRouteCfg sub_42EEE0 stack-based overflow CVSS 4.0HIGH 8.7
- TI-2022-18309 Tenda RX9_Pro V22.03.02.10 is vulnerable to Buffer Overflow via httpd/SetNetControlList CVSS 3.1CRITICAL 9.8
- TI-2022-18308 Tenda RX9_Pro V22.03.02.10 is vulnerable to Buffer Overflow via httpd/setIPv6Status. CVSS 3.1CRITICAL 9.8
- TI-2022-18307 Tenda RX9_Pro V22.03.02.10 is vulnerable to Buffer Overflow via httpd/setMacFilterCfg. CVSS 3.1CRITICAL 9.8
Sources
- CVE-2023-43886 · CVE Program
- CVE-2023-43886 · NVD
- FIRST EPSS
- GHSA-764w-jhrm-cmvw · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences