VDB-321433 · CVE-2025-25735 · EUVD-2025-25797

Kapsch TrafficCom RIS-9160/TrafficCom RIS-9260 3.2.0.829.23/3.8.0.1119.42/4.6.0.1211.28 SPI Protected Range Register security-sensitive hardware controls with missing lock bit protection

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
4.5	$0-$5k	0.00

Summaryinfo

A vulnerability was found in Kapsch TrafficCom RIS-9160 and TrafficCom RIS-9260 3.2.0.829.23/3.8.0.1119.42/4.6.0.1211.28. It has been rated as problematic. This affects an unknown part of the component SPI Protected Range Register Handler. This manipulation causes Local Privilege Escalation. This vulnerability appears as CVE-2025-25735. The attack requires local access. There is no available exploit.

Detailsinfo

A vulnerability was found in Kapsch TrafficCom RIS-9160 and TrafficCom RIS-9260 3.2.0.829.23/3.8.0.1119.42/4.6.0.1211.28. It has been declared as problematic. Affected by this vulnerability is an unknown function of the component SPI Protected Range Register Handler. The manipulation with an unknown input leads to a local privilege escalation vulnerability. The CWE definition for the vulnerability is CWE-1233. The product uses a register lock bit protection mechanism, but it does not ensure that the lock bit prevents modification of system registers or controls that perform changes to important hardware system configuration. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

Kapsch TrafficCom RIS-9160 & RIS-9260 Roadside Units (RSUs) v3.2.0.829.23, v3.8.0.1119.42, and v4.6.0.1211.28 were discovered to lack SPI Protected Range Registers (PRRs), allowing attackers with software running on the system to modify SPI flash in real-time.

This vulnerability is known as CVE-2025-25735 since 02/07/2025. The exploitation appears to be difficult. An attack has to be approached locally. Neither technical details nor an exploit are publicly available.

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-2025-25797). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Vendor

Kapsch

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.5
VulDB Meta Temp Score: 4.5

VulDB Base Score: 4.5
VulDB Temp Score: 4.5
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AV	AC	Au	C	I	A
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💳	💳	💳	💳	💳	💳
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Security-sensitive hardware controls with missing lock bit protection
CWE: CWE-1233
CAPEC: 🔒
ATT&CK: 🔒

Physical: Partially
Local: Yes
Remote: No

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

02/07/2025 CVE reserved
08/26/2025 +199 days Advisory disclosed
08/26/2025 +0 days VulDB entry created
08/27/2025 +1 days VulDB entry last update

Sourcesinfo

Status: Not defined

CVE: CVE-2025-25735 (🔒)
GCVE (CVE): GCVE-0-2025-25735
GCVE (VulDB): GCVE-100-321433
EUVD: 🔒

Entryinfo

Created: 08/26/2025 17:14
Updated: 08/27/2025 16:25
Changes: 08/26/2025 17:14 (50), 08/26/2025 18:59 (1), 08/27/2025 16:25 (2)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.