PT-2026-45136 · Totolink · N300Rh

Luotuo · Published 2026-05-30 · Updated 2026-06-15 · CVE-2026-10187

Positive Technologies (AI Summary)

CVSS v3.1

10

Critical

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions Totolink N300RH version 6.1c.1353 B20190305

Description A stack-based buffer overflow exists in the Web Management Interface component within the wireless.so file. The issue occurs in the setWiFiBasicConfig() function when the KeyStr argument is manipulated. This flaw allows a remote attacker to execute arbitrary code.

Recommendations For version 6.1c.1353 B20190305, upgrade to the latest firmware advised by the vendor. As a temporary mitigation, disable remote management to reduce exposure. Restrict access to the setWiFiBasicConfig() function to minimize the risk of exploitation.

Exploit

Fix

RCE

Buffer Overflow

Stack Overflow

Weakness Enumeration

CWE-119

CWE-121

Related Identifiers

BDU:2026-07644

CVE-2026-10187

Affected Products

N300Rh

References · 20

• 🔥 https://wx.mail.qq.com/s?k=iXbjuHnfMwoD0oWW3v · Exploit
• https://bdu.fstec.ru/vul/2026-07644 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2026-10187 · Security Note
• https://t.me/CVEtracker/55394 · Telegram Post
• https://twitter.com/OrizonCyber/status/2061107967303237698 · Twitter Post
• https://vuldb.com/vuln/367468/cti · Note
• https://vuldb.com/submit/819971 · Note
• https://totolink.net · Note
• https://vuldb.com/submit/820133 · Note
• https://vuldb.com/cve/CVE-2026-10187 · Note
• https://twitter.com/vuldb/status/2060765828719763881 · Twitter Post
• https://twitter.com/akaclandestine/status/2066451589515083944 · Twitter Post
• https://vuldb.com/vuln/367468 · Note
• https://twitter.com/HugoValters/status/2063656982553506139 · Twitter Post
• https://t.me/cveNotify/165377 · Telegram Post