How severe is CVE-2023-23313?

CVE-2023-23313 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2023-23313 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-2023-23313?

CVE-2023-23313 primarily affects Draytek Vigor2860 Firmware. In total, 91 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2023-23313?

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

When was CVE-2023-23313 published?

CVE-2023-23313 was published on 2023-03-03 and last updated on 2026-06-17.

CVE-2023-23313

CVE-2023-23313 is a medium-severity vulnerability in Draytek Vigor2860 Firmware with a CVSS 3.x base score of 6.1. 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-79.

Key facts

Severity: Medium (CVSS 3.x base score 6.1)
EPSS exploit prediction: 0% (28th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Draytek Vigor2860 Firmware
Published: 2023-03-03
Last modified: 2026-06-17

Description

Certain Draytek products are vulnerable to Cross Site Scripting (XSS) via the wlogin.cgi script and user_login.cgi script of the router's web application management portal. This affects Vigor3910, Vigor1000B, Vigor2962 v4.3.2.1; Vigor2865 and Vigor2866 v4.4.1.0; Vigor2927 v4.4.2.2; and Vigor2915, Vigor2765, Vigor2766, Vigor2135 v4.4.2.0; Vigor2763 v4.4.2.1; Vigor2862 and Vigor2926 v3.9.9.0; Vigor2925 v3.9.3; Vigor2952 and Vigor3220 v3.9.7.3; Vigor2133 and Vigor2762 v3.9.6.4; and Vigor2832 v3.9.6.2.

Frequently asked questions

What is CVE-2023-23313?: Certain Draytek products are vulnerable to Cross Site Scripting (XSS) via the wlogin.cgi script and user_login.cgi script of the router's web application management portal. This affects Vigor3910, Vigor1000B, Vigor2962 v4.3.2.1; Vigor2865 and Vigor2866 v4.4.1.0; Vigor2927 v4.4.2.2; and Vigor2915, Vigor2765, Vigor2766, Vigor2135 v4.4.2.0; Vigor2763 v4.4.2.1; Vigor2862 and Vigor2926 v3.9.9.0; Vigor2925 v3.9.3; Vigor2952 and Vigor3220 v3.9.7.3; Vigor2133 and Vigor2762 v3.9.6.4; and Vigor2832 v3.9.6.2.
How severe is CVE-2023-23313?: CVE-2023-23313 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2023-23313 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-2023-23313?: CVE-2023-23313 primarily affects Draytek Vigor2860 Firmware. In total, 91 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2023-23313?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2023-23313 published?: CVE-2023-23313 was published on 2023-03-03 and last updated on 2026-06-17.

References

Affected products (91)

cpe:2.3:o:draytek:vigor2860_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:draytek:vigor2860n_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:draytek:vigor2860n-plus_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:draytek:vigor2860vn-plus_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:draytek:vigor2860ac_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:draytek:vigor2860vac_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:draytek:vigor2860l_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:draytek:vigor2860ln_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:draytek:vigor2832_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:draytek:vigor2832n_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:draytek:vigor2766_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:draytek:vigor2766ax_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:draytek:vigor2766ac_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:draytek:vigor2766vac_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:draytek:vigor2765_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:draytek:vigor2765ax_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:draytek:vigor2765ac_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:draytek:vigor2765va_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:draytek:vigor2763_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:draytek:vigor2763ac_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:draytek:vigor2762_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:draytek:vigor2762n_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:draytek:vigor2762ac_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:draytek:vigor2762vac_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:draytek:vigor2135_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:draytek:vigor2135ax_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:draytek:vigor2135ac_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:draytek:vigor2135vac_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:draytek:vigor2135fvac_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:draytek:vigor2133_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:draytek:vigor2133n_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:draytek:vigor2133ac_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:draytek:vigor2133vac_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:draytek:vigor2133fvac_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:draytek:vigor166_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:draytek:vigor165_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:draytek:vigor130_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:draytek:vigornic_132_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:draytek:vigor3910_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:draytek:vigor3220_firmware:*:*:*:*:*:*:*:*

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