CVE-2026-7125

Description

A vulnerability was identified in Totolink A8000RU 7.1cu.643_b20200521. Affected by this issue is the function setWiFiEasyCfg of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. The manipulation of the argument merge leads to os command injection. The attack may be initiated remotely. The exploit is publicly available and might be used.

CVSS v3.1 Score

9.8

CRITICAL

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

EPSS — Exploit Prediction

0.0125

Probability of exploitation

0.80%

Percentile rank

EPSS estimates the probability that this vulnerability will be exploited in the wild within the next 30 days. A higher score means more likely to be exploited.

Weakness Type (CWE)

CWE-77 CWE-77

CWE-78 OS Command Injection

References

Other References

https://github.com/Litengzheng/vuldb_new2/blob/main/A8000RU/vul_310/README.md https://vuldb.com/submit/801006 https://vuldb.com/vuln/359724 https://vuldb.com/vuln/359724/cti https://www.totolink.net/

Frequently Asked Questions

What is CVE-2026-7125? +

A vulnerability was identified in Totolink A8000RU 7.1cu.643_b20200521. Affected by this issue is the function setWiFiEasyCfg of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. The manipulation of the argument merge leads to os command injection. The attack may be initiated remotely. The exploit is publicly available and might be used. It has a CVSS v3.1 base score of 9.8 (CRITICAL).

How severe is CVE-2026-7125? +

CVE-2026-7125 has a CVSS v3.1 score of 9.8 out of 10, rated CRITICAL. This is a critical vulnerability that should be patched immediately. The EPSS score is 0.0125, placing it in the 1th percentile for exploitation probability.

How do I check if I'm vulnerable to CVE-2026-7125? +

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.

Related Vulnerabilities

CVE-2026-42258

Net::IMAP implements Internet Message Access Protocol (IMAP) client functionality in Ruby. Prior to versions 0.4.24, 0.5.14, and 0.6.4, symbol arguments …

CVE-2024-52011

launch-editor allows users to open files with line numbers in editor from Node.js. Prior to version 2.9.0, due to the …

CVE-2023-5878

Honeywell OneWireless Wireless Device Manager (WDM) for the following versions R310.x, R320.x, R321.x, R322.1, R322.2, R323.x, R330.1 contains a command …

CVE-2025-46735

Terraform WinDNS Provider allows users to manage their Windows DNS server resources through Terraform. A security issue has been found …

CVE-2025-4009

The Evertz SDVN 3080ipx-10G is a High Bandwidth Ethernet Switching Fabric for Video Application. This device exposes a web management …

CVE-2024-4999

A vulnerability in the web-based management interface of multiple Ligowave devices could allow an authenticated remote attacker to execute arbitrary …