Read the docs
TI-2025-06309 Aliases CVE-2025-6939GHSA-m297-gp5c-j4g3

TOTOLINK A3002RU HTTP POST Request formWlSiteSurvey buffer overflow

Priority HIGH 73CWE-119Published · Updated

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 has been found in TOTOLINK A3002RU 3.0.0-B20230809.1615. Affected is an unknown function of the file /boafrm/formWlSiteSurvey of the component HTTP POST Request Handler. The manipulation of the argument submit-url leads to buffer overflow. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00981 62nd 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
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

VendorProductAffected versionsFixed inStatusSource
TOTOLINKA3002RU3.0.0-B20230809.1615—No fix listedCNA
  • A3002RU VendorTOTOLINK Affected 3.0.0-B20230809.1615 Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:o:totolink:a3002ru_firmware:3.0.0-b20230809.1615:*:*:*:*:*:*:*3.0.0-b20230809.1615VulnerableTOTOLINK
cpe:2.3:h:totolink:a3002ru:-:*:*:*:*:*:*:*not specified by NVDRunning onTOTOLINK
  • cpe:2.3:o:totolink:a3002ru_firmware:3.0.0-b20230809.1615:*:*:*:*:*:*:* Versions 3.0.0-b20230809.1615 Vulnerable ·TOTOLINK
  • cpe:2.3:h:totolink:a3002ru:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·TOTOLINK

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2025-6939
  2. 2026-10-03 Alias added: GHSA-m297-gp5c-j4g3

References

  • TI-2024-22621 TOTOLINK AC1200 Wireless Router A3002RU V2.1.1-B20230720.1011 is vulnerable to Buffer… CVSS 3.1CRITICAL 9.8
  • TI-2026-21376 TOTOLINK A3002RU_V3 V3.0.0-B20220304.1804 was discovered to contain a stack-based buffer… CVSS 3.1HIGH 8.8
  • TI-2026-21374 TOTOLINK A3002RU V2.1.1-B20211108.1455 was discovered to contain a stack-based buffer… CVSS 3.1HIGH 8.8
  • TI-2025-06323 TOTOLINK A3002RU 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-2025-05573 TOTOLINK A3002RU HTTP POST Request formMultiAP buffer overflow CVSS 4.0HIGH 8.7
See all 48 →

Sources