What is CVE-2022-43931?

CVE-2022-43931 is a critical-severity vulnerability in Synology Router_manager, classified under CWE-787: OUT-OF-BOUNDS WRITE. CVSS score: 10.0/10. Published 2023-01-03.

How severe is CVE-2022-43931?

Critical severity. CVSS v3 base score is 10.0 out of 10.

Is CVE-2022-43931 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Vulnerability in Synology Router_manager

CVE-2022-43931

Out-of-bounds write vulnerability in Remote Desktop Functionality in Synology VPN Plus Server before 1.4.3-0534 and 1.4.4-0635 allows remote attackers to execute arbitrary commands via unspecified vectors.

EPSS: 0.168 (96.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 10.0 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H.

Affected products

Synology Router_manager — versions 1.2, 1.3
Synology Vpn Plus Server
Synology Vpn_plus_server

Public proof-of-concept exploits

Threekiii/CVE

References

security@synology.com (vendor-advisory, Vendor Advisory)

Frequently asked questions

What is CVE-2022-43931?: CVE-2022-43931 is a critical-severity vulnerability in Synology Router_manager, classified under CWE-787: OUT-OF-BOUNDS WRITE. CVSS score: 10.0/10. Published 2023-01-03.
How severe is CVE-2022-43931?: Critical severity. CVSS v3 base score is 10.0 out of 10.
Is CVE-2022-43931 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.