PT-2025-20392 · Totolink · Totolink Nr1800X

Regainer27 · Published 2025-05-08 · Updated 2025-05-16 · CVE-2025-45843

Positive Technologies (AI Summary)

CVSS v2.0

9.0

High

Base vector

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

Name of the Vulnerable Software and Affected Versions TOTOLINK NR1800X version 9.1.0u.6681 B20230703

Description The issue is an authenticated stack overflow that occurs via the ssid parameter in the setWiFiGuestCfg function. This allows for potential exploitation.

Recommendations For TOTOLINK NR1800X version 9.1.0u.6681 B20230703, consider restricting access to the setWiFiGuestCfg function until a patch is available. Avoid using the ssid parameter in the affected 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

Memory Corruption

Stack Overflow

Weakness Enumeration

CWE-787

CWE-121

Related Identifiers

BDU:2025-10021

CVE-2025-45843

Affected Products

Totolink Nr1800X

References · 14

• 🔥 https://github.com/regainer27/CVE-key/tree/main/bo2 · Exploit
• https://osv.dev/vulnerability/CVE-2025-45843 · Vendor Advisory
• https://bdu.fstec.ru/vul/2025-10021 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2025-45843 · Security Note
• https://t.me/cvenotify/122595 · Telegram Post
• https://t.me/cvetracker/23368 · Telegram Post
• https://twitter.com/CVEnew/status/1920521258598633746 · Twitter Post
• https://github.com/advisories/GHSA-4cwh-m6gc-c4p6 · Note
• https://twitter.com/cracbot/status/1922245508900196473 · Twitter Post
• https://t.me/cvenotify/121732 · Telegram Post
• https://totolink.net · Note
• https://totolink.net/home/menu/detail/menu_listtpl/download/id/225/ids/36.html · Note
• https://t.me/cvedetector/24832 · Telegram Post
• https://twitter.com/VulmonFeeds/status/1920559433723085196 · Twitter Post