CVE-2026-81557

MEDIUMCVSS 5.4/10EPSS 0.35%

Last modified

CVE-2026-81557 is a medium-severity vulnerability rated 5.4/10 on the CVSS scale. An improper neutralization of input during web page generation vulnerability in the DSMNotify in Synology DiskStation Manager (DSM) before 7.3.2-86009-5 and 7.4.1-90080-1 allows remote authenticated users to read or write specific files.. EPSS estimates a 0.35% chance of exploitation in the next 30 days.

Description

An improper neutralization of input during web page generation vulnerability in the DSMNotify in Synology DiskStation Manager (DSM) before 7.3.2-86009-5 and 7.4.1-90080-1 allows remote authenticated users to read or write specific files.

Metrics

EPSS Probability
0.35%

28.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Source: CNA advisory (CVE.org). NVD analysis pending.

VendorProductVersions
SynologyDiskStation Manager (DSM)>= 7.4.1, < 7.4.1-90080-1; >= 7.3.2, < 7.3.2-86009-5; < 7.3.2

References

Timeline

Published
Last Modified
Status
Awaiting Analysis

Frequently Asked Questions

What is CVE-2026-81557?
An improper neutralization of input during web page generation vulnerability in the DSMNotify in Synology DiskStation Manager (DSM) before 7.3.2-86009-5 and 7.4.1-90080-1 allows remote authenticated users to read or write specific files.
How severe is CVE-2026-81557?
CVE-2026-81557 has a CVSS score of 5.4/10 (MEDIUM severity). The EPSS model estimates a 0.35% probability of exploitation in the next 30 days.
How do I fix CVE-2026-81557?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

How Strix Helps

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Source: NVD / NIST