PT-2024-21930 · Totolink · Totolink A3300R

Published 2024-03-26 · Updated 2024-08-09 · CVE-2024-27521

Positive Technologies (AI Summary)

CVSS v3.1

8.0

High

Base vector

AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions TOTOLINK A3300R version 17.0.0cu.557 B20221024

Description The issue allows an attacker to take complete control of the device through an unauthenticated remote command execution via multiple parameters in the setOpModeCfg function. This enables unauthenticated, remote attackers to execute arbitrary system commands with administrative privileges, specifically as the user root.

Recommendations For TOTOLINK A3300R version 17.0.0cu.557 B20221024, as a temporary workaround, consider disabling the setOpModeCfg function until a patch is available. Restrict access to the device to minimize the risk of exploitation. Avoid using the vulnerable parameters 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

OS Command Injection

Weakness Enumeration

CWE-78

Related Identifiers

CVE-2024-27521

Affected Products

Totolink A3300R

References · 7

• 🔥 https://github.com/SpikeReply/advisories/blob/main/cve/totolink/cve-2024-27521.md · Exploit
• https://osv.dev/vulnerability/CVE-2024-27521 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2024-27521 · Security Note
• https://t.me/cvenotify/90069 · Telegram Post
• https://twitter.com/CVEnew/status/1772719223548383480 · Twitter Post
• https://m.totolink.net/portal/article/index/id/410.html · Note
• https://twitter.com/VulmonFeeds/status/1772757777737298288 · Twitter Post