CVE-2023-39809
N.V.K.INTER CO., LTD. (NVK) iBSG v3.5 was discovered to contain a command injection vulnerability...
CVE-2023-39809 is a critical vulnerability (CVSS 9.8) in Nvki Intelligent Broadband Subscriber Gateway, published August 21, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.49%, the 74th percentile. No source names a fixed version.
- Severity
- 9.8 CriticalCVSS 3.1, NVD
- Exploit chance
- 1.49%EPSS, 74th percentile
- Exploitation
- None knownNot on CISA’s or ENISA’s lists
- Fixed in
- No fix listedNo source names one
Description
N.V.K.INTER CO., LTD. (NVK) iBSG v3.5 was discovered to contain an OS command injection vulnerability via shell metacharacters in the system_hostname parameter at /manage/network-basic.php.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
Affected products
What each source reports
NVD Score used
N.V.K.INTER CO., LTD. (NVK) iBSG v3.5 was discovered to contain an OS command injection vulnerability via shell metacharacters in the system_hostname parameter at /manage/network-basic.php.
- Record
CVE-2023-39809- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-77
- Updated
- 2026-11-02
CVE List
N.V.K.INTER CO., LTD. (NVK) iBSG v3.5 was discovered to contain an OS command injection vulnerability via shell metacharacters in the system_hostname parameter at /manage/network-basic.php.
- Record
CVE-2023-39809- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-77
- Updated
- 2026-11-02
EUVDEUVD-2023-43509
N.V.K.INTER CO., LTD. (NVK) iBSG v3.5 was discovered to contain an OS command injection vulnerability via shell metacharacters in the system_hostname parameter at /manage/network-basic.php.
- Record
EUVD-2023-43509- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-5fvp-953q-q2rj
N.V.K.INTER CO., LTD. (NVK) iBSG v3.5 was discovered to contain a command injection vulnerability...
N.V.K.INTER CO., LTD. (NVK) iBSG v3.5 was discovered to contain a command injection vulnerability via the system_hostname parameter at /manage/network-basic.php.
- Record
GHSA-5fvp-953q-q2rj- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-77
- Updated
- 2026-11-02
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.