CVE-2023-40796
CVE-2023-40796 is a high-severity vulnerability in Phicomm K2 Firmware with a CVSS 3.x base score of 7.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-77.
Key facts
- Severity: High (CVSS 3.x base score 7.8)
- EPSS exploit prediction: 1% (54th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-77
- Affected product: Phicomm K2 Firmware
- Published:
- Last modified:
Description
Phicomm k2 v22.6.529.216 was discovered to contain a command injection vulnerability via the function luci.sys.call.
Frequently asked questions
- What is CVE-2023-40796?
- Phicomm k2 v22.6.529.216 was discovered to contain a command injection vulnerability via the function luci.sys.call.
- How severe is CVE-2023-40796?
- CVE-2023-40796 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2023-40796 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (54th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2023-40796?
- CVE-2023-40796 affects Phicomm K2 Firmware. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2023-40796?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- When was CVE-2023-40796 published?
- CVE-2023-40796 was published on 2023-08-25 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:o:phicomm:k2_firmware:22.6.529.216:*:*:*:*:*:*:*
More vulnerabilities in Phicomm K2 Firmware
- CVE-2022-25219 — High (CVSS 8.4): A null byte interaction error has been discovered in the code that the telnetd_startup daemon uses to construct a pair…
- CVE-2022-25218 — High (CVSS 8.1): The use of the RSA algorithm without OAEP, or any other padding scheme, in telnetd_startup, allows an unauthenticated…
- CVE-2022-48072 — High (CVSS 7.8): Phicomm K2G v22.6.3.20 was discovered to contain a command injection vulnerability via the autoUpTime parameter in the…
- CVE-2022-48070 — High (CVSS 7.8): Phicomm K2 v22.6.534.263 was discovered to contain a command injection vulnerability via the autoUpTime parameter in…
- CVE-2022-25217 — High (CVSS 7.8): Use of a hard-coded cryptographic key pair by the telnetd_startup service allows an attacker on the local area network…
- CVE-2022-48073 — High (CVSS 7.5): Phicomm K2G v22.6.3.20 was discovered to store the root and admin passwords in plaintext.
All CVEs affecting Phicomm K2 Firmware →
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