CVE-2023-33556

Name: CVE-2023-33556
Creator: NVD / NIST
Published: 2023-06-07T21:15:13.567+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 1.96%

Last modified Jun 17, 2026

CVE-2023-33556 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. TOTOLink A7100RU V7.4cu.2313_B20191024 was discovered to contain a command injection vulnerability via the staticGw parameter at /setting/setWanIeCfg.. EPSS estimates a 1.96% chance of exploitation in the next 30 days.

Description

TOTOLink A7100RU V7.4cu.2313_B20191024 was discovered to contain a command injection vulnerability via the staticGw parameter at /setting/setWanIeCfg.

Metrics

CVSS 3.1

9.8/10

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

EPSS Probability

1.96%

77.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Totolink	A7100ru Firmware	7.4cu.2313_b20191024

References

https://github.com/Am1ngl/ttt/tree/main/37Exploit, Third Party Advisory
https://github.com/Am1ngl/ttt/tree/main/37Exploit, Third Party Advisory

Timeline

Published: Jun 7, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-33556?

TOTOLink A7100RU V7.4cu.2313_B20191024 was discovered to contain a command injection vulnerability via the staticGw parameter at /setting/setWanIeCfg.

How severe is CVE-2023-33556?

CVE-2023-33556 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 1.96% probability of exploitation in the next 30 days.

How do I fix CVE-2023-33556?

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-2023-33556?

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

Scan your code now

Source: NVD / NIST