PT-2025-20915 · Totolink · Totolink A3002Ru

Jiangxiazhe · Published 2025-04-18 · Updated 2025-05-13 · CVE-2025-45866

Positive Technologies (AI Summary)

CVSS v3.1

5.4

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions: TOTOLINK A3002R version 4.0.0-B20230531.1404

Description: A buffer overflow issue was discovered via the addrPoolEnd parameter in the "formDhcpv6s" interface.

Recommendations: For TOTOLINK A3002R version 4.0.0-B20230531.1404, as a temporary workaround, consider restricting access to the "formDhcpv6s" interface until a patch is available. Avoid using the addrPoolEnd parameter in the affected interface until the issue is resolved. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Stack Overflow

Buffer Overflow

Weakness Enumeration

CWE-121

CWE-120

Related Identifiers

BDU:2025-06018

CVE-2025-45866

Affected Products

Totolink A3002Ru

References · 7

• 🔥 https://github.com/Jiangxiazhe/IOT_hack/blob/main/TOTOLINK/A3002R/9/overflow.md · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2025-45866 · Security Note
• https://bdu.fstec.ru/vul/2025-06018 · Security Note
• https://osv.dev/vulnerability/CVE-2025-45866 · Vendor Advisory
• https://twitter.com/CVEnew/status/1922310007325933846 · Twitter Post
• https://totolink.net/home/menu/detail/menu_listtpl/download/id/258/ids/36.html · Note
• https://t.me/cvetracker/23749 · Telegram Post