Vulnerability · Published Sep 29, 2025 · Assigned by S21sec
CVE-2025-11155WEAK ENCODING FOR PASSWORD IN DEVICE SERVER CONFIGURATION
Medium 6.8
In plain English
A medium-severity security flaw in S86-ex 203dpi from SATO. 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 9% of all known vulnerabilities).
Severity (CVSS 4.0)6.8Medium
Exploit odds (30 days)0.2%top 91.1% 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)
| Vendor | Product | Versions |
|---|---|---|
| SATO | S86-ex 203dpi | 61.00.00.09 |
Weakness: CWE-261 · Vector: CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:A/VC:H/VI:N/VA:N/SC:L/SI:N/SA:N