CVE•Published 2026-04-10•Modified 2026-04-27•1 article on news•6 live references•NVD data

CVE-2026-5993

Vulnerability data via NVD (ingested)

CVSS v3.1

9.8

CRITICAL

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

EPSS percentile

Exploit Prediction Scoring System · top 21% of all CVEs

Weaknesses (CWE)

CWE-77Improper Neutralization of Special Elements used in a Command ('Command Injection')CWE-78Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

Description

A vulnerability was identified in Totolink A7100RU 7.4cu.2313_b20191024. This vulnerability affects the function setWiFiGuestCfg of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. Such manipulation of the argument wifiOff leads to os command injection. The attack can be executed remotely. The exploit is publicly available and might be used.

Timeline

Published 2026-04-10

Modified 2026-04-27

External references

NVD MITRE Exploit-DB GitHub PoC Sploitus VulnCheck

Search for exposed instances

Shodan + Censys queries derived from NVD's CPE data. The vuln tag catches assets Shodan has explicitly linked to this CVE; the product / banner fingerprints find exposed instances even when the vuln tag was never applied (which is common).

Shodan · vuln tag0 hosts

vuln:CVE-2026-5993

Hosts Shodan has explicitly fingerprinted as vulnerable.

More intel sources (5)

Shodan report

vuln:CVE-2026-5993

Country / ASN / product breakdown for the vuln query.

Censys

vulnerabilities.cve_id: CVE-2026-5993

Censys host search filtered to this CVE id.

grep.app

CVE-2026-5993