CVE-2024-27521

Name: CVE-2024-27521
Creator: NVD / NIST
Published: 2024-03-26T21:15:53.013+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8/10EPSS 1.50%

Last modified Jun 17, 2026

CVE-2024-27521 is a high-severity vulnerability rated 8/10 on the CVSS scale. 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. EPSS estimates a 1.50% chance of exploitation in the next 30 days.

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").

Metrics

CVSS 3.1

8/10

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

EPSS Probability

1.50%

71.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-78

Affected Software

Vendor	Product	Versions
Totolink	A3300r Firmware	17.0.0cu.557_b20221024

References

https://github.com/SpikeReply/advisories/blob/main/cve/totolink/cve-2024-27521.mdThird Party Advisory
https://m.totolink.net/portal/article/index/id/410.htmlProduct
https://github.com/SpikeReply/advisories/blob/main/cve/totolink/cve-2024-27521.mdThird Party Advisory
https://m.totolink.net/portal/article/index/id/410.htmlProduct

Timeline

Published: Mar 26, 2024
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2024-27521?

How severe is CVE-2024-27521?

CVE-2024-27521 has a CVSS score of 8/10 (HIGH severity). The EPSS model estimates a 1.50% probability of exploitation in the next 30 days.

How do I fix CVE-2024-27521?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2024-27521?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST