How severe is CVE-2023-1009?

CVE-2023-1009 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2023-1009 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 16% (96th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-1009?

CVE-2023-1009 affects Draytek Vigor2960 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-1009?

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

When was CVE-2023-1009 published?

CVE-2023-1009 was published on 2023-02-24 and last updated on 2026-06-17.

CVE-2023-1009

CVE-2023-1009 is a medium-severity vulnerability in Draytek Vigor2960 Firmware with a CVSS 3.x base score of 6.5. Its EPSS exploit-prediction score of 16% places it in the 96th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-22.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
CVSS v2: 4.0
EPSS exploit prediction: 16% (96th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-22
Affected product: Draytek Vigor2960 Firmware
Published: 2023-02-24
Last modified: 2026-06-17

Description

** UNSUPPORTED WHEN ASSIGNED ** A vulnerability classified as critical has been found in DrayTek Vigor 2960 1.5.1.4/1.5.1.5. Affected is the function sub_1DF14 of the file /cgi-bin/mainfunction.cgi of the component Web Management Interface. The manipulation of the argument option with the input /../etc/passwd- leads to path traversal. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used. VDB-221742 is the identifier assigned to this vulnerability. NOTE: This vulnerability only affects products that are no longer supported by the maintainer.

Frequently asked questions

What is CVE-2023-1009?: ** UNSUPPORTED WHEN ASSIGNED ** A vulnerability classified as critical has been found in DrayTek Vigor 2960 1.5.1.4/1.5.1.5. Affected is the function sub_1DF14 of the file /cgi-bin/mainfunction.cgi of the component Web Management Interface. The manipulation of the argument option with the input /../etc/passwd- leads to path traversal. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used. VDB-221742 is the identifier assigned to this vulnerability. NOTE: This vulnerability only affects products that are no longer supported by the maintainer.
How severe is CVE-2023-1009?: CVE-2023-1009 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2023-1009 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 16% (96th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-1009?: CVE-2023-1009 affects Draytek Vigor2960 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-1009?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2023-1009 published?: CVE-2023-1009 was published on 2023-02-24 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:draytek:vigor2960_firmware:1.5.1.4:*:*:*:*:*:*:*

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