TI-2025-04227 Aliases CVE-2025-4731 GHSA-7pjr-pgpp-7jxm

TOTOLINK A3002R/A3002RU HTTP POST Request formPortFw buffer overflow

MEDIUM 41CWE-119Published 2025-05-16 · Updated 2025-05-16

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 A3002R and A3002RU 3.0.0-B20230809.1615. This affects an unknown part of the file /boafrm/formPortFw of the component HTTP POST Request Handler. The manipulation of the argument service_type/ip_subnet leads to 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

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00849 58th 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: None
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	A3002R	3.0.0-B20230809.1615	—	No fix listed	CNA
TOTOLINK	A3002RU	3.0.0-B20230809.1615	—	No fix listed	CNA

A3002R VendorTOTOLINK Affected 3.0.0-B20230809.1615 Fixed in — No fix listed CNA
A3002RU VendorTOTOLINK Affected 3.0.0-B20230809.1615 Fixed in — No fix listed CNA

CPE configurations NVD · 4

CPE	Versions	Role	Vendor
cpe:2.3:o:totolink:a3002r_firmware:3.0.0-b20230809.1615:::::::*	3.0.0-b20230809.1615	Vulnerable	TOTOLINK
cpe:2.3:h:totolink:a3002r:-:::::::*	not specified by NVD	Running on	TOTOLINK
cpe:2.3:o:totolink:a3002ru_firmware:3.0.0-b20230809.1615:::::::*	3.0.0-b20230809.1615	Vulnerable	TOTOLINK
cpe:2.3:h:totolink:a3002ru:-:::::::*	not specified by NVD	Running on	TOTOLINK

cpe:2.3:o:totolink:a3002r_firmware:3.0.0-b20230809.1615:*:*:*:*:*:*:* Versions 3.0.0-b20230809.1615 Vulnerable ·TOTOLINK
cpe:2.3:h:totolink:a3002r:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·TOTOLINK
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

2026-10-02 Threatist record created from CVE-2025-4731
2026-10-03 Alias added: GHSA-7pjr-pgpp-7jxm

References

Exploit 1

https://github.com/CH13hh/tmp_store_cc/blob/main/tt/ta/4.md

Other 1

https://www.totolink.net/

TI-2025-35057 TOTOLINK-A3002R v4.0.0-B20230531.1404 was discovered to contain a command injection… CVSS 3.1CRITICAL 9.8
TI-2025-28880 TOTOLINK A3002R v4.0.0-B20230531.1404 was discovered to contain a buffer overflow via the… CVSS 3.1CRITICAL 9.8
TI-2025-28878 TOTOLINK A3002R v4.0.0-B20230531.1404 was discovered to contain a buffer overflow via the… CVSS 3.1CRITICAL 9.8
TI-2025-28876 TOTOLINK A3002R v4.0.0-B20230531.1404 was discovered to contain a buffer overflow via the… CVSS 3.1CRITICAL 9.8
TI-2025-28874 TOTOLINK A3002R v4.0.0-B20230531.1404 was discovered to contain a command injection… CVSS 3.1CRITICAL 9.8
TI-2025-19054 TOTOLINK A3002R V4.0.0-B20230531.1404 is vulnerable to Command Injection in /bin/boa via bandstr. CVSS 3.1CRITICAL 9.8

See all 60 →

Sources

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