PT-2023-8034 · Totolink · Totolink Ex1800T

Published 2023-12-22 · Updated 2023-12-27 · CVE-2023-51023

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 EX1800T version 9.1.0cu.2112 B20220316

Description The issue concerns arbitrary command execution in the host time parameter of the NTPSyncWithHost interface of the cstecgi .cgi. This vulnerability exists due to the lack of measures to neutralize special elements used in the operating system command. Exploitation of this issue may allow a remote attacker to execute arbitrary commands using the host time parameter.

Recommendations For TOTOlink EX1800T version 9.1.0cu.2112 B20220316, consider disabling the host time parameter in the NTPSyncWithHost interface of the cstecgi .cgi as a temporary workaround until a patch is available. Restrict access to the NTPSyncWithHost interface to minimize the risk of exploitation. Avoid using the host time parameter in the affected interface 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:2024-00011

CVE-2023-51023

Affected Products

Totolink Ex1800T

References · 7

• 🔥 https://815yang.github.io/2023/12/11/EX1800T/2/TOTOlinkEX1800T_V9.1.0cu.2112_B2022031NTPSyncWithHost-host_time · Exploit
• https://osv.dev/vulnerability/CVE-2023-51023 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2023-51023 · Security Note
• https://bdu.fstec.ru/vul/2024-00011 · Security Note
• https://vuldb.com/?id.248884 · Note
• https://t.me/cvenotify/65294 · Telegram Post
• https://twitter.com/VulmonFeeds/status/1738284799846920700 · Twitter Post