Uncontrolled Resource Consumption vulnerability in SYNO.Core.PortForwarding.Rules in Synology Router Manager (SRM) before 1.1.4-6509 allows remote authenticated attacker to exhaust the memory resources of the machine, causing a denial of service attack.
CVE-2017-12077
MEDIUMNVD 4.94.9—
EchelonGraph scoreMEDIUM confidence
Score 4.9 from GitHub Security Advisory published 2022-05-17. NVD baseline CVSS 4.9; sources differ by 0.0.
Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
4.9
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
- Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS: 1%CVSS: 4.9Exploit: NoneExposed: 0
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- 4.9
- EG Score
- 4.9(medium)
- EPSS
- 69.9%
- KEV
- Not listed
Published
August 28, 2017
Last Modified
May 13, 2026
References (2)
- security@synologyhttps://www.synology.com/en-global/support/security/Synology_SA_17_49_SRM
- af854a3a-2127-422b-91ae-364da2661108https://www.synology.com/en-global/support/security/Synology_SA_17_49_SRM
Frequently asked(5)
What is CVE-2017-12077?
CVE-2017-12077 is a medium vulnerability published on August 28, 2017. Uncontrolled Resource Consumption vulnerability in SYNO.Core.PortForwarding.Rules in Synology Router Manager (SRM) before 1.1.4-6509 allows remote authenticated attacker to exhaust the memory resources of the machine, causing a denial of service attack.
When was CVE-2017-12077 disclosed?
CVE-2017-12077 was first published in the National Vulnerability Database on August 28, 2017, with the most recent update on May 13, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2017-12077 actively exploited?
CVE-2017-12077 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 69.9% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2017-12077?
CVE-2017-12077 has a CVSS v3 base score of 4.9 (NVD).
How do I remediate CVE-2017-12077?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2017-12077, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.
Dependency Blast Radius
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