PT-2024-1317 · Totolink · Totolink N200Re

Jylsec · Published 2024-01-29 · Updated 2024-05-17 · CVE-2024-1003

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 N200RE version 9.3.5u.6139 B20201216

Description A critical issue has been found in the function setLanguageCfg of the file /cgi-bin/cstecgi.cgi, where the manipulation of the argument lang leads to a stack-based buffer overflow. This can be exploited remotely, potentially affecting the confidentiality, integrity, and availability of protected information.

Recommendations For Totolink N200RE version 9.3.5u.6139 B20201216, as a temporary workaround, consider disabling the setLanguageCfg function until a patch is available. Restrict access to the /cgi-bin/cstecgi.cgi file to minimize the risk of exploitation. Avoid using the lang parameter in the affected API endpoint until the issue is resolved. At the moment, there is no information about a newer version that contains a fix for this issue.

Exploit

Fix

Stack Overflow

Buffer Overflow

Weakness Enumeration

CWE-121

CWE-119

Related Identifiers

BDU:2024-00768

CVE-2024-1003

Affected Products

Totolink N200Re

References · 8

• 🔥 https://jylsec.notion.site/TOTOLINK-N200RE-has-stack-buffer-overflow-vulnerability-in-setLanguageCfg-72357294db1e4f8096b29d3f2592d1fc?pvs=4 · Exploit
• https://osv.dev/vulnerability/CVE-2024-1003 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2024-1003 · Security Note
• https://bdu.fstec.ru/vul/2024-00768 · Security Note
• https://vuldb.com/?id.252272 · Note
• https://vuldb.com/?ctiid.252272 · Note
• https://twitter.com/RedPacketSec/status/1752634089868247095 · Twitter Post
• https://jylsec.notion.site/TOTOLINK-N200RE-has-stack-buffer-overflow-vulnerability-in-setLanguageCfg-72357294db1e4f8096b29d3f2592d1fc · Note