Vulnerability · Published Jan 7, 2026 · Assigned by S21sec

CVE-2026-22543WEEK ENCODING FOR PASSWORDS

Medium 6.9

In plain English

A medium-severity security flaw in QC 60/90/120 from EFACEC. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 8% of all known vulnerabilities).

Severity (CVSS 4.0)6.9Medium
Exploit odds (30 days)0.2%top 92.0% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

The credentials required to access the device's web server are sent in base64 within the HTTP headers. Since base64 is not considered a strong cipher, an attacker could intercept the web request handling the login and obtain the credentials

Affected products (as reported)

VendorProductVersions
EFACEC QC 60/90/120 8

Weakness: CWE-261 · Vector: CVSS:4.0/AV:A/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N

References