CVE-2025-45866

MEDIUM

Published May 13, 2025 Modified Jun 17, 2025 CWE-120

Description

TOTOLINK A3002R v4.0.0-B20230531.1404 was discovered to contain a buffer overflow via the addrPoolEnd parameter in the formDhcpv6s interface.

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CVSS v3.1 Score

5.4

MEDIUM

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

Weakness Type (CWE)

CWE-120 CWE-120

Affected Products

Vendor	Product	Versions
totolink	a3002r_firmware	All
totolink	a3002r	All

References

Exploits

https://github.com/Jiangxiazhe/IOT_hack/blob/main/TOTOLINK/A3002R/9/overflow.md

Other References

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

Frequently Asked Questions

What is CVE-2025-45866? +

TOTOLINK A3002R v4.0.0-B20230531.1404 was discovered to contain a buffer overflow via the addrPoolEnd parameter in the formDhcpv6s interface. It has a CVSS v3.1 base score of 5.4 (MEDIUM).

How severe is CVE-2025-45866? +

CVE-2025-45866 has a CVSS v3.1 score of 5.4 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

What products are affected by CVE-2025-45866? +

CVE-2025-45866 affects products from totolink, specifically: a3002r, a3002r_firmware. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-45866? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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