CVE-2024-27521: a3300r Command Injection (CVSS 8)

Description

TOTOLINK A3300R V17.0.0cu.557_B20221024 was discovered to contain an unauthenticated remote command execution (RCE) vulnerability via multiple parameters in the "setOpModeCfg" function. This security issue allows an attacker to take complete control of the device. In detail, exploitation allows unauthenticated, remote attackers to execute arbitrary system commands with administrative privileges (i.e., as user "root").

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CVSS v3.1 Score

8.0

HIGH

CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Weakness Type (CWE)

CWE-78 OS Command Injection

Affected Products

Vendor	Product	Versions
totolink	a3300r_firmware	All
totolink	a3300r	All

References

Other References

https://github.com/SpikeReply/advisories/blob/main/cve/totolink/cve-2024-27521.md https://m.totolink.net/portal/article/index/id/410.html https://github.com/SpikeReply/advisories/blob/main/cve/totolink/cve-2024-27521.md https://m.totolink.net/portal/article/index/id/410.html

Frequently Asked Questions

What is CVE-2024-27521? +

TOTOLINK A3300R V17.0.0cu.557_B20221024 was discovered to contain an unauthenticated remote command execution (RCE) vulnerability via multiple parameters in the "setOpModeCfg" function. This security issue allows an attacker to take complete control of the device. In detail, exploitation allows unauthenticated, remote attackers to execute arbitrary system commands with administrative privileges (i.e., as user "root"). It has a CVSS v3.1 base score of 8.0 (HIGH).

How severe is CVE-2024-27521? +

CVE-2024-27521 has a CVSS v3.1 score of 8.0 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

What products are affected by CVE-2024-27521? +

CVE-2024-27521 affects products from totolink, specifically: a3300r, a3300r_firmware. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2024-27521? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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