Tenda AC15 HTTP POST Request SetRemoteWebCfg formSetSafeWanWebMan stack-based overflow
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 was found in Tenda AC15 15.03.05.19_multi. It has been classified as critical. This affects the function formSetSafeWanWebMan of the file /goform/SetRemoteWebCfg of the component HTTP POST Request Handler. The manipulation of the argument remoteIp 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
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
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Tenda | AC15 | 15.03.05.19_multi | — | No fix listed | CNA |
- AC15 VendorTenda Affected 15.03.05.19_multi Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2025-5849
- 2026-10-03 Alias added: GHSA-3c2j-gj86-4xvq
References
More Tenda Ac15 Firmware vulnerabilities
- TI-2020-08863 The goform/setUsbUnload endpoint of Tenda AC15 AC1900 version 15.03.05.19 allows remote… KEVCVSS 3.1CRITICAL 9.8
- TI-2026-19426 An issue was discovered in goform/formsetUsbUnload in Tenda AC15V1.0 V15.03.05.18_multi. CVSS 3.1CRITICAL 9.8
- TI-2026-19425 A buffer overflow vulnerability was discovered in goform/formSetMacFilterCfg in Tenda AC15V1.0 V15.03.05.18_multi. CVSS 3.1CRITICAL 9.8
- TI-2026-19424 An issue was discovered in goform/formSetIptv in Tenda AC15V1.0 V15.03.05.18_multi. CVSS 3.1CRITICAL 9.8
- TI-2025-21094 A buffer overflow vulnerability has been discovered in Tenda Ac15 V15.13.07.13. CVSS 3.1CRITICAL 9.8
- TI-2025-19077 Tenda AC15 v15.03.05.19 is vulnerable to Command Injection via the handler function in /goform/telnet. CVSS 3.1CRITICAL 9.8
Sources
- CVE-2025-5849 · CVE Program
- CVE-2025-5849 · NVD
- FIRST EPSS
- GHSA-3c2j-gj86-4xvq · GitHub Advisory Database · CC BY 4.0
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