What’s Vulnerable › Vulnerabilities

CVE-2018-4841

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 4.7% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2018-03-29 · updated 2026-06-17
• Weakness: CWE-303

Description

A vulnerability has been identified in TIM 1531 IRC (All versions < V1.1). A remote attacker with network access to port 80/tcp or port 443/tcp could perform administrative operations on the device without prior authentication. Successful exploitation could allow to cause a denial-of-service, or read and manipulate data as well as configuration settings of the affected device. At the stage of publishing this security advisory no public exploitation is known. Siemens provides mitigations to resolve it.

Affected products

• Siemens AG TIM 1531 IRC: before 1.1 — fixed in 1.1

How to fix

Upgrade to a fixed version: Siemens AG TIM 1531 IRC 1.1. Check the vendor advisory for mitigations.

References

• http://www.securityfocus.com/bid/103576
• https://cert-portal.siemens.com/productcert/pdf/ssa-110922.pdf
• http://www.securityfocus.com/bid/103576
• https://cert-portal.siemens.com/productcert/pdf/ssa-110922.pdf

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