PT-2025-20418 · Totolink · Totolink A3100R

Sunnyyangyaya · Published 2025-05-08 · Updated 2025-05-08 · CVE-2025-45789

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 via the urlKeyword parameter in the setParentalRules function. This allows for potential exploitation.

Recommendations For TOTOLINK A3100R version 5.9c.1527, consider restricting access to the setParentalRules function until a patch is available, and avoid using the urlKeyword parameter in this function to minimize the risk of exploitation.

Exploit

Fix

Memory Corruption

Stack Overflow

Weakness Enumeration

CWE-787

CWE-121

Related Identifiers

BDU:2025-10005

CVE-2025-45789

Affected Products

Totolink A3100R

References · 8

• 🔥 https://github.com/SunnyYANGyaya/cuicuishark-sheep-fishIOT/blob/main/ToTolink/A3100R-3/README.md · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2025-45789 · Security Note
• https://bdu.fstec.ru/vul/2025-10005 · Security Note
• https://osv.dev/vulnerability/CVE-2025-45789 · Vendor Advisory
• https://github.com/SunnyYANGyaya/cuicuishark-sheep-fishIOT/tree/main/ToTolink/A3100R-1 · Note
• https://t.me/cvedetector/24862 · Telegram Post
• https://t.me/cvetracker/23392 · Telegram Post
• https://twitter.com/CVEnew/status/1920595175568810243 · Twitter Post