How severe is CVE-2023-2645?

CVE-2023-2645 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-2023-2645 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (86th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-2645?

CVE-2023-2645 affects Usr Usr-g806 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-2645?

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-2023-2645 published?

CVE-2023-2645 was published on 2023-05-11 and last updated on 2026-06-17.

CVE-2023-2645

CVE-2023-2645 is a critical-severity vulnerability in Usr Usr-g806 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-259.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 10.0
EPSS exploit prediction: 3% (86th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-259
Affected product: Usr Usr-g806 Firmware
Published: 2023-05-11
Last modified: 2026-06-17

Description

A vulnerability, which was classified as critical, was found in USR USR-G806 1.0.41. Affected is an unknown function of the component Web Management Page. The manipulation of the argument username/password with the input root leads to use of hard-coded password. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used. It is recommended to change the configuration settings. VDB-228774 is the identifier assigned to this vulnerability. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

Frequently asked questions

What is CVE-2023-2645?: A vulnerability, which was classified as critical, was found in USR USR-G806 1.0.41. Affected is an unknown function of the component Web Management Page. The manipulation of the argument username/password with the input root leads to use of hard-coded password. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used. It is recommended to change the configuration settings. VDB-228774 is the identifier assigned to this vulnerability. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.
How severe is CVE-2023-2645?: CVE-2023-2645 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-2023-2645 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (86th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-2645?: CVE-2023-2645 affects Usr Usr-g806 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-2645?: 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-2023-2645 published?: CVE-2023-2645 was published on 2023-05-11 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:usr:usr-g806_firmware:1.0.41:*:*:*:*:*:*:*

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