PT-2024-1316 · Totolink · Totolink N200Re

Jylsec · Published 2024-01-29 · Updated 2024-05-17 · CVE-2024-0999

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 affects the setParentalRules function of the /cgi-bin/cstecgi.cgi file, where manipulation of the eTime argument leads to a stack-based buffer overflow. This can be initiated remotely, potentially impacting the confidentiality, integrity, and availability of protected information. The issue may also involve the week and sTime parameters. An exploit has been disclosed publicly.

Recommendations For Totolink N200RE version 9.3.5u.6139 B20201216, as a temporary workaround, consider disabling the setParentalRules function until a patch is available. Restrict access to the /cgi-bin/cstecgi.cgi file to minimize the risk of exploitation. Avoid using the eTime, week, and sTime parameters 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 vulnerability.

Exploit

Stack Overflow

Buffer Overflow

Weakness Enumeration

CWE-121

CWE-119

Related Identifiers

BDU:2024-00767

CVE-2024-0999

Affected Products

Totolink N200Re

References · 9

• 🔥 https://jylsec.notion.site/TOTOLINK-N200RE-has-stack-buffer-overflow-vulnerability-in-setParentalRules-f891c062b86349a596ee173cb456b4f6?pvs=4 · Exploit
• https://bdu.fstec.ru/vul/2024-00767 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2024-0999 · Security Note
• https://osv.dev/vulnerability/CVE-2024-0999 · Vendor Advisory
• https://vuldb.com/ru/?id.252268 · Note
• https://twitter.com/RedPacketSec/status/1752634117290631652 · Twitter Post
• https://t.me/cvenotify/69049 · Telegram Post
• https://vuldb.com/?id.252268 · Note
• https://vuldb.com/?ctiid.252268 · Note