Incorrect default permissions vulnerability in synouser.conf in Synology Router Manager (SRM) before 1.1.7-6941-1 allows remote authenticat…

published 2019-04-01 7y ago modified 2026-06-17 4mo ago also EUVD-2018-5235

cvss: 6.5; version 3.0, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 1.3%; EPSS 1.3% chance of exploitation in 30 days, percentile 71%
public exploits: 0; none known

Incorrect default permissions vulnerability in synouser.conf in Synology Router Manager (SRM) before 1.1.7-6941-1 allows remote authenticated users to obtain sensitive information via the world readable configuration.

Patch / fix

fixed in 1

Synology Synology Router Manager (SRM) 1.1.7-6941-1

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Exploit prediction

1.34% chance of exploitation in the next 30 days, higher than 71% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by	version	score	vector
CNA	3.0	6.5	CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
NVD	3.0	6.5	CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
NVD	2.0	4.0	AV:N/AC:L/Au:S/C:P/I:N/A:N

Affected products

Synology Synology Router Manager (SRM)

Classification

Weakness

CWE-276 Incorrect Default Permissions

References

synology.com /security/advisory/Synology_SA_18_34
vendor-advisory

Sources

CVE List CVE-2018-13287
NVD CVE-2018-13287

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