PT-2026-36721 · Totolink · N300Rh

Wxhwxhwxh_Mie · Published 2026-04-17 · Updated 2026-05-24 · CVE-2026-7747

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 N300RH version 3.2.4-B20220812

Description A security flaw in the Parameter Handler component allows a remote attacker to cause a buffer overflow. This occurs through the manipulation of the Password argument within the loginauth() function of the '/cgi-bin/cstecgi.cgi' endpoint.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Buffer Overflow

Weakness Enumeration

CWE-119

CWE-120

Related Identifiers

BDU:2026-06312

CVE-2026-7747

Affected Products

N300Rh

References · 16

• 🔥 https://lavender-bicycle-a5a.notion.site/TOTOLINK-N300RH-loginauth_password-34553a41781f80c0ad36f4d95122fd40?pvs=73 · Exploit
• https://bdu.fstec.ru/vul/2026-06312 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2026-7747 · Security Note
• https://vuldb.com/submit/807201 · Note
• https://vuldb.com/vuln/360922 · Note
• https://twitter.com/CVEnew/status/2051272247285825739 · Twitter Post
• https://twitter.com/infoflowcloud/status/2051273383313117403 · Twitter Post
• https://totolink.net · Note
• https://twitter.com/lyrie_ai/status/2055106165671920047 · Twitter Post
• https://twitter.com/DFIR_Lab/status/2058353629606584781 · Twitter Post
• https://twitter.com/OrizonCyber/status/2051270652129108064 · Twitter Post
• https://twitter.com/vuldb/status/2053962250172747885 · Twitter Post
• https://twitter.com/SystemTek_UK/status/2051369198748676551 · Twitter Post
• https://vuldb.com/vuln/360922/cti · Note
• https://twitter.com/vuldb/status/2050993338275504172 · Twitter Post