TI-2025-28878 Aliases CVE-2025-45863 GHSA-5cw9-h2jj-8927

TOTOLINK A3002R v4.0.0-B20230531.1404 was discovered to contain a buffer overflow via the…

HIGH 82CWE-120Published 2025-05-13 · Updated 2025-05-14

Key facts

Attack vector: Network
Privileges required: None
User interaction: None
Attack complexity: Low
Impact type: Code execution
Confidentiality · integrity · availability: High · High · High
Fix status: No fix listed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-120 and the CVSS impact.

Summary

TOTOLINK A3002R v4.0.0-B20230531.1404 was discovered to contain a buffer overflow via the macstr parameter in the formMapDelDevice interface.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV

EPSS 0.00632 50th percentileScored 2026-11-07

Public exploit Yes 1 exploit referenceTagged by NVD

Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: Poc
Automatable: Yes
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
—	—	all versions	—	No fix listed	CNA

— Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPE	Versions	Role	Vendor
cpe:2.3:o:totolink:a3002r_firmware:4.0.0-b20230531.1404:::::::*	4.0.0-b20230531.1404	Vulnerable	TOTOLINK
cpe:2.3:h:totolink:a3002r:-:::::::*	not specified by NVD	Running on	TOTOLINK

cpe:2.3:o:totolink:a3002r_firmware:4.0.0-b20230531.1404:*:*:*:*:*:*:* Versions 4.0.0-b20230531.1404 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-2025-45863
2026-10-03 Alias added: GHSA-5cw9-h2jj-8927
2026-10-27 EPSS moved to the 50th–90th percentile

References

Exploit 1

https://github.com/Jiangxiazhe/IOT_hack/blob/main/TOTOLINK/A3002R/5/overflow.md

Other 1

https://www.totolink.net/home/menu/detail/menu_listtpl/download/id/258/ids/36.html

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-2025-28876 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
TI-2024-28482 TOTOLINK A3002R v4.0.0-B20230531.1404 contains a buffer overflow vulnerability in /bin/boa via formParentControl. 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