VulnerabilityAnalyzed

CVE-2025-45865

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

CRITICAL 9.8EPSS 0.60%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (0.60%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

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

CVSS 3.1: 9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS: 0.60% probability · 47th percentile
CISA KEV: Not listed
Weakness: CWE-120
Affected: totolink/a3002r firmware
Source: cve@mitre.org

References

https://github.com/Jiangxiazhe/IOT_hack/blob/main/TOTOLINK/A3002R/6/overflow.mdExploit
https://www.totolink.net/home/menu/detail/menu_listtpl/download/id/258/ids/36.htmlProduct

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.