PT-2023-7637 · Totolink · Totolink X6000R

Published 2023-11-30 · Updated 2023-12-07 · CVE-2023-48812

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 X6000R version V9.4.0cu.852 B20230719

Description The issue exists due to the lack of neutralization of special elements used in the operating system command by the sub 4119A0 function in the shttpd file of the TOTOLINK X6000R router's firmware. This allows a remote attacker to execute arbitrary commands. The vulnerability arises when the sub 4119A0 function obtains fields from the front-end through the Uci Set The Str function, which, when passed to the CsteSystem function, creates a command execution vulnerability.

Recommendations For TOTOLINK X6000R version V9.4.0cu.852 B20230719, as a temporary workaround, consider disabling the sub 4119A0 function until a patch is available. Restrict access to the shttpd file to minimize the risk of exploitation. Avoid using the Uci Set The Str function 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

OS Command Injection

Weakness Enumeration

CWE-78

Related Identifiers

BDU:2023-08697

CVE-2023-48812

Affected Products

Totolink X6000R

References · 7

• 🔥 https://notion.so/X6000R-sub_4119A0-10-82467d98d07c45a59ec3729ec712cb57?pvs=4 · Exploit
• https://osv.dev/vulnerability/CVE-2023-48812 · Vendor Advisory
• https://bdu.fstec.ru/vul/2023-08697 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2023-48812 · Security Note
• https://twitter.com/VulmonFeeds/status/1730312536405258555 · Twitter Post
• https://twitter.com/CVEnew/status/1730296147519086630 · Twitter Post
• https://t.me/cvenotify/62643 · Telegram Post