PT-2023-25749 · Totolink · Totolink A7000R+1

Published 2023-10-16 · Updated 2024-09-12 · CVE-2023-36947

Positive Technologies (AI Summary)

CVSS v3.1

9.8

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 X5000R version 9.1.0u.6118 B20201102 TOTOLINK A7000R version 9.1.0u.6115 B20201022

Description A stack overflow issue was discovered via the File parameter in the UploadCustomModule function. This issue affects the specified versions of TOTOLINK X5000R and TOTOLINK A7000R routers.

Recommendations For TOTOLINK X5000R version 9.1.0u.6118 B20201102, consider disabling the UploadCustomModule function until a patch is available. For TOTOLINK A7000R version 9.1.0u.6115 B20201022, restrict access to the UploadCustomModule function to minimize the risk of exploitation. Avoid using the File parameter in the affected function until the issue is resolved. 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

CVE-2023-36947

Affected Products

Totolink A7000R

Totolink X5000R

References · 5

• 🔥 https://github.com/Archerber/bug_submit/blob/main/TOTOLINK/UploadCustomModule.md · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2023-36947 · Security Note
• https://osv.dev/vulnerability/CVE-2023-36947 · Vendor Advisory
• https://t.me/cvenotify/59719 · Telegram Post
• https://t.me/cvenotify/94330 · Telegram Post