Critical severity · published Aug 4, 2026
CVE-2026-18753
Hardcoded Cryptographic Key on GV-AS1620 Controller Firmware (GV-ASManager)
9.1
CVSS
0.4%
EPSS
No
On KEV
Description
The
product firmware contains an embedded, static RSA private key utilized by the
Lighttpd web server for TLS termination. Exposure of this private key allows
malicious actors to breach the confidentiality and integrity of HTTPS
communications, enabling traffic decryption and server spoofing.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 38% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
GA
GV-AS1620 (AS-Manager) · GeoVision Inc.
V2.07 · source: vendor