PT-2025-20416 · Totolink · Totolink A3100R

Sunnyyangyaya · Published 2025-05-08 · Updated 2025-05-08 · CVE-2025-45787

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 A3100R version 5.9c.1527

Description The issue is related to a Buffer Overflow that can be triggered through the comment parameter in the setIpPortFilterRules function. This allows for potential exploitation.

Recommendations For TOTOLINK A3100R version 5.9c.1527, consider restricting access to the setIpPortFilterRules function until a patch is available, and avoid using the comment parameter in this function to minimize the risk of exploitation. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Stack Overflow

Memory Corruption

Weakness Enumeration

CWE-121

CWE-787

Related Identifiers

BDU:2025-10004

CVE-2025-45787

Affected Products

Totolink A3100R

References · 7

• 🔥 https://github.com/SunnyYANGyaya/cuicuishark-sheep-fishIOT/tree/main/ToTolink/A3100R-1 · Exploit
• https://osv.dev/vulnerability/CVE-2025-45787 · Vendor Advisory
• https://bdu.fstec.ru/vul/2025-10004 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2025-45787 · Security Note
• https://twitter.com/CVEnew/status/1920595173719081349 · Twitter Post
• https://t.me/cvetracker/23390 · Telegram Post
• https://t.me/cvedetector/24871 · Telegram Post