CVE-2025-45867 — MEDIUM (5.4)

Vulnerability Description

TOTOLINK A3002R v4.0.0-B20230531.1404 was discovered to contain a buffer overflow via the static_dns1 parameter in the formIpv6Setup interface.

CVSS Score

5.4

MEDIUM

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

Attack Vector

ADJACENT_NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

LOW

Integrity

LOW

Availability

NONE

Affected Products

Vendor	Product	Versions
Totolink	A3002R Firmware	4.0.0-b20230531.1404
Totolink	A3002R	-

Related Weaknesses (CWE)

CWE-121

References

https://github.com/Jiangxiazhe/IOT_hack/blob/main/TOTOLINK/A3002R/10/overflow.mdExploitThird Party Advisory
https://www.totolink.net/home/menu/detail/menu_listtpl/download/id/258/ids/36.htProduct

FAQ

What is CVE-2025-45867?

CVE-2025-45867 is a vulnerability with a CVSS score of 5.4 (MEDIUM). TOTOLINK A3002R v4.0.0-B20230531.1404 was discovered to contain a buffer overflow via the static_dns1 parameter in the formIpv6Setup interface.

How severe is CVE-2025-45867?

CVE-2025-45867 has been rated MEDIUM with a CVSS base score of 5.4/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2025-45867?

Check the references section above for vendor advisories and patch information. Affected products include: Totolink A3002R Firmware, Totolink A3002R.