CVE-2023-38034
CVE-2023-38034 is a critical-severity vulnerability in Ui Unifi Uap 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-77.
Key facts
- Severity: Critical (CVSS 3.x base score 9.8)
- EPSS exploit prediction: 1% (71st percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-77
- Affected product: Ui Unifi Uap Firmware
- Published:
- Last modified:
Description
A command injection vulnerability in the DHCP Client function of all UniFi Access Points and Switches, excluding the Switch Flex Mini, could allow a Remote Code Execution (RCE). Affected Products: All UniFi Access Points (Version 6.5.53 and earlier) All UniFi Switches (Version 6.5.32 and earlier) -USW Flex Mini excluded. Mitigation: Update UniFi Access Points to Version 6.5.62 or later. Update UniFi Switches to Version 6.5.59 or later.
Frequently asked questions
- What is CVE-2023-38034?
- A command injection vulnerability in the DHCP Client function of all UniFi Access Points and Switches, excluding the Switch Flex Mini, could allow a Remote Code Execution (RCE). Affected Products: All UniFi Access Points (Version 6.5.53 and earlier) All UniFi Switches (Version 6.5.32 and earlier) -USW Flex Mini excluded. Mitigation: Update UniFi Access Points to Version 6.5.62 or later. Update UniFi Switches to Version 6.5.59 or later.
- How severe is CVE-2023-38034?
- CVE-2023-38034 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-2023-38034 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (71st percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2023-38034?
- CVE-2023-38034 primarily affects Ui Unifi Uap Firmware. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2023-38034?
- 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-2023-38034 published?
- CVE-2023-38034 was published on 2023-08-10 and last updated on 2026-06-17.
References
Affected products (2)
- cpe:2.3:o:ui:unifi_uap_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:ui:unifi_switch_firmware:*:*:*:*:*:*:*:*
More vulnerabilities in Ui Unifi Uap Firmware
- CVE-2023-35085 — Critical (CVSS 9.8): An integer overflow vulnerability in all UniFi Access Points and Switches, excluding the Switch Flex Mini, with SNMP…
All CVEs affecting Ui Unifi Uap Firmware →
Other CWE-77 (Command Injection) vulnerabilities
- CVE-2026-105484 — Critical (CVSS 10.0): A security vulnerability has been detected in TOTOLINK X6000R 9.4.0cu.652_B20230116. The impacted element is the…
- CVE-2026-105134 — Critical (CVSS 10.0): A flaw has been found in Ahsay AhsayCBS up to 10.3.2. This vulnerability affects unknown code of the file…
- CVE-2026-102240 — Critical (CVSS 10.0): A vulnerability was found in Netcore NAP930 0.1.241010.141410. This affects the function eval of the file…
- CVE-2026-101076 — Critical (CVSS 10.0): A vulnerability was detected in Netcore NR289-GE 1.4.5102. This affects the function system of the file…
- CVE-2026-101075 — Critical (CVSS 10.0): A security vulnerability has been detected in Netcore NR289-GE 1.4.5102. The impacted element is the function system of…
- CVE-2026-101072 — Critical (CVSS 10.0): A vulnerability was identified in Netcore NR289-GE 1.4.5102. This issue affects the function system of the file…