PT-2025-21030 · Totolink · Totolink A3002Ru

Published 2025-05-13 · Updated 2025-05-13 · CVE-2025-45861

Positive Technologies (AI Summary)

CVSS v2.0

10

Critical

Base vector

AV:N/AC:L/Au:N/C:C/I:C/A:C

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 routername parameter in the "formDnsv6" interface.

Recommendations: For TOTOLINK A3002R version 4.0.0-B20230531.1404, avoid using the routername parameter in the "formDnsv6" 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

Buffer Overflow

Weakness Enumeration

CWE-120

Related Identifiers

BDU:2025-05831

CVE-2025-45861

Affected Products

Totolink A3002Ru

References · 6

• 🔥 https://github.com/Jiangxiazhe/IOT_hack/blob/main/TOTOLINK/A3002R/3/overflow.md · Exploit
• https://osv.dev/vulnerability/CVE-2025-45861 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2025-45861 · Security Note
• https://bdu.fstec.ru/vul/2025-05831 · Security Note
• https://totolink.net/home/menu/detail/menu_listtpl/download/id/258/ids/36.html · Note
• https://twitter.com/CVEnew/status/1922369631458877546 · Twitter Post