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CVE-2026-18753— Hardcoded Cryptographic Key on GV-AS1620 Controller Firmware (GV-ASManager)

Quick assessment

Affected
GeoVision Inc. GV-AS1620 (AS-Manager)
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

GeoVision GV-AS1620是中国GeoVision公司的一款门禁控制设备。 GeoVision GV-AS1620 V2.07版本存在加密问题漏洞，该漏洞源于固件包含嵌入式静态RSA私钥，可能导致HTTPS通信的机密性和完整性被破坏，造成流量解密和服务器欺骗。

CVSS 9.1 · Critical EPSS 0.44% · P36

Affected Version Matrix 2

VendorProduct Version RangeStatus
GeoVision Inc. GV-AS1620 (AS-Manager) V2.07 affected
V2.08 unaffected
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I. Basic Information for CVE-2026-18753

Vulnerability Information
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Vulnerability Title
Hardcoded Cryptographic Key on GV-AS1620 Controller Firmware (GV-ASManager)
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
使用硬编码的密码学密钥
Source: CVE Program / CVE List V5
Vulnerability Title
GeoVision GV-AS1620 加密问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
GeoVision GV-AS1620是中国GeoVision公司的一款门禁控制设备。 GeoVision GV-AS1620 V2.07版本存在加密问题漏洞，该漏洞源于固件包含嵌入式静态RSA私钥，可能导致HTTPS通信的机密性和完整性被破坏，造成流量解密和服务器欺骗。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
GeoVision Inc. GV-AS1620 (AS-Manager) V2.07 -

II. Public POCs for CVE-2026-18753

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III. Intelligence Information for CVE-2026-18753

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Vendor Pages for CVE-2026-18753 (1)

Same Patch Batch · GeoVision Inc. · 2026-08-04 · 3 CVEs total

CVE-2026-18754 9.1 CRITICAL Hardcoded Cryptographic Key on GV-AS1620 Controller Firmware (GV-Cloud)
CVE-2026-18755 7.3 HIGH GV-ASManager DLL hijacking vulnerability

IV. Related Vulnerabilities

Same vendor: GeoVision Inc.
Same weakness: CWE-321

V. Comments for CVE-2026-18753

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