TOTOLINK A702R HTTP POST Request formWlSiteSurvey buffer 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 classified as critical was found in TOTOLINK A702R up to 4.0.0-B20230721.1521. Affected by this vulnerability is an unknown functionality of the file /boafrm/formWlSiteSurvey of the component HTTP POST Request Handler. The manipulation of the argument submit-url leads to buffer overflow. The attack can be launched 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 |
|---|---|---|---|---|---|
| TOTOLINK | A702R | 4.0.0-B20230721.1521 | — | No fix listed | CNA |
- A702R VendorTOTOLINK Affected 4.0.0-B20230721.1521 Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2025-6825
- 2026-10-03 Alias added: GHSA-h9x4-6j6x-7vjx
References
More TOTOLINK A702r Firmware vulnerabilities
- TI-2025-08972 TOTOLINK A702R formParentControl sub_418030 buffer overflow CVSS 4.0HIGH 8.7
- TI-2025-07446 TOTOLINK A702R HTTP POST Request formWlanMultipleAP buffer overflow CVSS 4.0HIGH 8.7
- TI-2025-06310 TOTOLINK A702R HTTP POST Request formParentControl buffer overflow CVSS 4.0HIGH 8.7
- TI-2025-05794 TOTOLINK A702R/A3002R/A3002RU/EX1200T HTTP POST Request formIPv6Addr buffer overflow CVSS 4.0HIGH 8.7
- TI-2025-05557 TOTOLINK A702R HTTP POST Request formSysLog buffer overflow CVSS 4.0HIGH 8.7
- TI-2025-04328 TOTOLINK A702R/A3002R/A3002RU HTTP POST Request formNtp buffer overflow CVSS 4.0HIGH 8.7
Sources
- CVE-2025-6825 · CVE Program
- CVE-2025-6825 · NVD
- FIRST EPSS
- GHSA-h9x4-6j6x-7vjx · 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