How severe is CVE-2023-47254?

CVE-2023-47254 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2023-47254 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (80th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-47254?

CVE-2023-47254 affects Draytek Vigor167 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-47254?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2023-47254 published?

CVE-2023-47254 was published on 2023-12-09 and last updated on 2026-06-17.

CVE-2023-47254

CVE-2023-47254 is a critical-severity vulnerability in Draytek Vigor167 Firmware with a CVSS 3.x base score of 9.8. 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-78.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 2% (80th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-78
Affected product: Draytek Vigor167 Firmware
Published: 2023-12-09
Last modified: 2026-06-17

Description

An OS Command Injection in the CLI interface on DrayTek Vigor167 version 5.2.2, allows remote attackers to execute arbitrary system commands and escalate privileges via any account created within the web interface.

Frequently asked questions

What is CVE-2023-47254?: An OS Command Injection in the CLI interface on DrayTek Vigor167 version 5.2.2, allows remote attackers to execute arbitrary system commands and escalate privileges via any account created within the web interface.
How severe is CVE-2023-47254?: CVE-2023-47254 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2023-47254 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (80th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-47254?: CVE-2023-47254 affects Draytek Vigor167 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-47254?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2023-47254 published?: CVE-2023-47254 was published on 2023-12-09 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:draytek:vigor167_firmware:5.2.2:*:*:*:*:*:*:*

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