How severe is CVE-2022-25213?

CVE-2022-25213 has a CVSS 3.x base score of 6.8, rated medium severity. It is exploitable over physical access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2022-25213 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (28th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-25213?

CVE-2022-25213 primarily affects Phicomm K2 Firmware. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2022-25213?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2022-25213 published?

CVE-2022-25213 was published on 2022-03-10 and last updated on 2026-06-17.

CVE-2022-25213

CVE-2022-25213 is a medium-severity vulnerability in Phicomm K2 Firmware with a CVSS 3.x base score of 6.8. 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-798.

Key facts

Severity: Medium (CVSS 3.x base score 6.8)
CVSS v2: 7.2
EPSS exploit prediction: 0% (28th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-798
Affected product: Phicomm K2 Firmware
Published: 2022-03-10
Last modified: 2026-06-17

Description

Improper physical access control and use of hard-coded credentials in /etc/passwd permits an attacker with physical access to obtain a root shell via an unprotected UART port on the device. The same port exposes an unauthenticated Das U-Boot BIOS shell.

Frequently asked questions

What is CVE-2022-25213?: Improper physical access control and use of hard-coded credentials in /etc/passwd permits an attacker with physical access to obtain a root shell via an unprotected UART port on the device. The same port exposes an unauthenticated Das U-Boot BIOS shell.
How severe is CVE-2022-25213?: CVE-2022-25213 has a CVSS 3.x base score of 6.8, rated medium severity. It is exploitable over physical access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2022-25213 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (28th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-25213?: CVE-2022-25213 primarily affects Phicomm K2 Firmware. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2022-25213?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2022-25213 published?: CVE-2022-25213 was published on 2022-03-10 and last updated on 2026-06-17.

References

https://www.tenable.com/security/research/tra-2022-01

Affected products (5)

cpe:2.3:o:phicomm:k2_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:phicomm:k3_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:phicomm:k3c_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:phicomm:k2g_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:phicomm:k2p_firmware:*:*:*:*:*:*:*:*

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-2023-40796 — High (CVSS 7.8): Phicomm k2 v22.6.529.216 was discovered to contain a command injection vulnerability via the function luci.sys.call.
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…

All CVEs affecting Phicomm K2 Firmware →

Other CWE-798 (Use of Hard-coded Credentials) vulnerabilities

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CVE-2026-22769 — Critical (CVSS 10.0): Dell RecoverPoint for Virtual Machines, versions prior to 6.0.3.1 HF1, contain a hardcoded credential vulnerability.…
CVE-2025-42890 — Critical (CVSS 10.0): SQL Anywhere Monitor (Non-GUI) baked credentials into the code,exposing the resources or functionality to unintended…
CVE-2025-7503 — Critical (CVSS 10.0): An OEM IP camera manufactured by Shenzhen Liandian Communication Technology LTD exposes a Telnet service (port 23) with…
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Browse all CWE-798 (Use of Hard-coded Credentials) vulnerabilities →