CVE-2023-41740 — Improper limitation of a pathname to a restricted directory ('Path Traversal') v

Improper limitation of a pathname to a restricted directory ('Path Traversal') vulnerability in cgi component in Synology Router Manager (SRM) before 1.3.1-9346-6 allows remote attackers to read specific files via unspecified vectors.

01What is this vulnerability?

Improper limitation of a pathname to a restricted directory ('Path Traversal') vulnerability in cgi component in Synology Router Manager (SRM) before 1.3.1-9346-6 allows remote attackers to read specific files via unspecified vectors.

02Affected products

Vendor	Product	Versions
Synology	Synology Router Manager (SRM)	1.3, 0

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Open the Sigma generator with a pre-filled prompt for this CVE to draft a starting detection in your stack of choice:

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07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2023-08-31T09:08:58.115Z
• Last modified: 2024-10-01T17:57:14.549Z

09References

• www.synology.com — https://www.synology.com/en-global/security/advisory/Synology_SA_23_10