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TI-2025-05111 Aliases CVE-2025-5671GHSA-fqr7-x5vp-p2wq

TOTOLINK N302R Plus HTTP POST Request formPortFw 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, which was classified as critical, was found in TOTOLINK N302R Plus up to 3.4.0-B20201028. Affected is an unknown function of the file /boafrm/formPortFw of the component HTTP POST Request Handler. The manipulation of the argument service_type 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 0.00791 56th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
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
TOTOLINKN302R Plus3.4.0-B20201028—No fix listedCNA
  • N302R Plus VendorTOTOLINK Affected 3.4.0-B20201028 Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:o:totolink:n302r_plus_firmware:*:*:*:*:*:*:*:*before 3.4.0-b20201028VulnerableTOTOLINK
cpe:2.3:h:totolink:n302r_plus:-:*:*:*:*:*:*:*not specified by NVDRunning onTOTOLINK
  • cpe:2.3:o:totolink:n302r_plus_firmware:*:*:*:*:*:*:*:* Versions before 3.4.0-b20201028 Vulnerable ·TOTOLINK
  • cpe:2.3:h:totolink:n302r_plus:-:*:*:*:*:*:*:* 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-2025-5671
  2. 2026-10-03 Alias added: GHSA-fqr7-x5vp-p2wq

References

Exploit 1

Other 1

  • TI-2025-05112 TOTOLINK N302R Plus HTTP POST Request formFilter buffer overflow CVSS 4.0HIGH 8.7
  • TI-2020-15581 TOTOLINK A3002RU-V2.0.0 B20190814.1034 allows authenticated remote users to modify the… CVSS 3.1HIGH 8.8

Sources

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