VulnerabilityAnalyzed

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.

MEDIUM 5.4EPSS 0.36%

Does this matter?

Lower severity and a low EPSS score (0.36%). Track it; it rarely justifies an emergency change on its own.

Description

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

CVSS 3.1: 5.4 MEDIUMCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
EPSS: 0.36% probability · 30th percentile
Public exploits: None in Exploit-DB
CISA KEV: Not listed
Weakness: CWE-120
Affected: totolink/a3002r firmware
Source: cve@mitre.org

EPSS trend

EPSS 0.4% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

References

https://github.com/Jiangxiazhe/IOT_hack/blob/main/TOTOLINK/A3002R/9/overflow.mdExploit, Third Party Advisory
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, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.