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TI-2025-05112 Aliases CVE-2025-5672GHSA-24q6-4w37-557f

TOTOLINK N302R Plus HTTP POST Request formFilter 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 has been found in TOTOLINK N302R Plus up to 3.4.0-B20201028 and classified as critical. Affected by this vulnerability is an unknown functionality of the file /boafrm/formFilter of the component HTTP POST Request Handler. The manipulation of the argument 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

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-2025-5672
  2. 2026-10-03 Alias added: GHSA-24q6-4w37-557f

References

  • TI-2025-05111 TOTOLINK N302R Plus HTTP POST Request formPortFw 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