TI-2024-18293 Aliases CVE-2024-27521 GHSA-x3cr-crpx-mg4r

TOTOLINK A3300R V17.0.0cu.557_B20221024 was discovered to contain an unauthenticated…

MEDIUM 40CWE-78Published 2024-03-26 · Updated 2024-08-09

Key facts

Attack vector: Adjacent network
Privileges required: Low
User interaction: None
Attack complexity: Low
Impact type: Code execution
Confidentiality · integrity · availability: High · High · High
Fix status: No fix listed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-78.

Summary

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").

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.01498 74th percentileScored 2026-11-07

Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: None
Automatable: No
Technical impact: Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
—	—	all versions	—	No fix listed	CNA

— Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPE	Versions	Role	Vendor
cpe:2.3:o:totolink:a3300r_firmware:17.0.0cu.557_b20221024:::::::*	17.0.0cu.557_b20221024	Vulnerable	TOTOLINK
cpe:2.3:h:totolink:a3300r:-:::::::*	not specified by NVD	Running on	TOTOLINK

cpe:2.3:o:totolink:a3300r_firmware:17.0.0cu.557_b20221024:*:*:*:*:*:*:* Versions 17.0.0cu.557_b20221024 Vulnerable ·TOTOLINK
cpe:2.3:h:totolink:a3300r:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·TOTOLINK

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2024-27521
2026-10-03 Alias added: GHSA-x3cr-crpx-mg4r

References

Advisory 1

https://github.com/SpikeReply/advisories/blob/main/cve/totolink/cve-2024-27521.md

Other 1

https://m.totolink.net/portal/article/index/id/410.html

TI-2026-23871 An issue was discovered in ToToLink A3300R firmware v17.0.0cu.557_B20221024 allowing… CVSS 3.1CRITICAL 9.8
TI-2026-23869 An issue was discovered in ToToLink A3300R firmware v17.0.0cu.557_B20221024 allowing… CVSS 3.1CRITICAL 9.8
TI-2026-23868 An issue was discovered in ToToLink A3300R firmware v17.0.0cu.557_B20221024 allowing… CVSS 3.1CRITICAL 9.8
TI-2026-23866 An issue was discovered in ToToLink A3300R firmware v17.0.0cu.557_B20221024 allowing… CVSS 3.1CRITICAL 9.8
TI-2026-23861 An issue was discovered in ToToLink A3300R firmware v17.0.0cu.557_B20221024 allowing… CVSS 3.1CRITICAL 9.8
TI-2025-32465 Totolink A3300R V17.0.0cu.596_B20250515 was found to contain a command injection… CVSS 3.1CRITICAL 9.8

See all 63 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences