SATO S86-ex 203dpi 61.00.00.09 weak password encoding

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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3.7$0-$5k0.00

Summaryinfo

A vulnerability has been found in SATO S86-ex 203dpi 61.00.00.09 and classified as problematic. The impacted element is an unknown function. This manipulation causes weak password encoding. This vulnerability is registered as CVE-2025-11155. Remote exploitation of the attack is possible. No exploit is available.

Detailsinfo

A vulnerability has been found in SATO S86-ex 203dpi 61.00.00.09 and classified as problematic. Affected by this vulnerability is an unknown part. The manipulation with an unknown input leads to a weak password encoding vulnerability. The CWE definition for the vulnerability is CWE-261. Obscuring a password with a trivial encoding does not protect the password. As an impact it is known to affect confidentiality. The summary by CVE is:

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.

The weakness was published by Víctor Bello Cuevas and Aarón Flecha Menéndez. The advisory is shared at s21sec.com. This vulnerability is known as CVE-2025-11155 since 09/29/2025. The exploitation appears to be difficult. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1552 for this issue.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2025-31580). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 3.7
VulDB Meta Temp Score: 3.7

VulDB Base Score: 3.7
VulDB Temp Score: 3.7
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Weak password encoding
CWE: CWE-261 / CWE-257 / CWE-255
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

09/29/2025 Advisory disclosed
09/29/2025 +0 days CVE reserved
09/29/2025 +0 days VulDB entry created
11/03/2025 +35 days VulDB entry last update

Sourcesinfo

Advisory: s21sec.com
Researcher: Víctor Bello Cuevas, Aarón Flecha Menéndez
Status: Not defined

CVE: CVE-2025-11155 (🔒)
GCVE (CVE): GCVE-0-2025-11155
GCVE (VulDB): GCVE-100-326245
EUVD: 🔒

Entryinfo

Created: 09/29/2025 17:35
Updated: 11/03/2025 15:02
Changes: 09/29/2025 17:35 (64), 11/03/2025 15:02 (1)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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