TI-2025-05888 Aliases CVE-2025-6487 GHSA-3mr3-hmmq-cq24

TOTOLINK A3002R formRoute stack-based overflow

HIGH 73CWE-119Published 2025-06-22 · Updated 2025-06-23

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 was found in TOTOLINK A3002R 1.1.1-B20200824.0128. It has been rated as critical. This issue affects the function formRoute of the file /boafrm/formRoute. The manipulation of the argument subnet leads to stack-based buffer overflow. The attack may be initiated 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 0.01016 63rd 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

Vendor	Product	Affected versions	Fixed in	Status	Source
TOTOLINK	A3002R	1.1.1-B20200824.0128	—	No fix listed	CNA

A3002R VendorTOTOLINK Affected 1.1.1-B20200824.0128 Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPE	Versions	Role	Vendor
cpe:2.3:o:totolink:a3002r_firmware:1.1.1-b20200824.0128:::::::*	1.1.1-b20200824.0128	Vulnerable	TOTOLINK
cpe:2.3:h:totolink:a3002r:-:::::::*	not specified by NVD	Running on	TOTOLINK

cpe:2.3:o:totolink:a3002r_firmware:1.1.1-b20200824.0128:*:*:*:*:*:*:* Versions 1.1.1-b20200824.0128 Vulnerable ·TOTOLINK
cpe:2.3:h:totolink:a3002r:-:*:*:*:*:*:*:* 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-2025-6487
2026-10-03 Alias added: GHSA-3mr3-hmmq-cq24

References

Exploit 1

https://github.com/wudipjq/my_vuln/blob/main/totolink3/vuln_36/36.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