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Vulnerability record · CVE-2023-23902 · published 6 July 2023

CVE-2023-23902: Milesight ur32l firmware stack-based buffer overflow vulnerability

Milesight · Ur32l Firmware

A buffer overflow vulnerability exists in the uhttpd login functionality of Milesight UR32L v32.3.0.5. A specially crafted network request can lead to remote code execution. An attacker can send a network request to trigger this vulnerability.

9.8 CVSS 3.1 Critical EPSS 2.2% · top 18.1% CWE-121 · Stack-based buffer overflow
9.8CVSS 3.1 base score
2.2%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
3References, 2 tagged exploit
17 Jun 2026Last modified by NVD

Description

A buffer overflow vulnerability exists in the uhttpd login functionality of Milesight UR32L v32.3.0.5. A specially crafted network request can lead to remote code execution. An attacker can send a network request to trigger this vulnerability.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://talosintelligence.com/vulnerability_reports/TALOS-2023-1697 ExploitThird Party Advisory
https://talosintelligence.com/vulnerability_reports/TALOS-2023-1697 ExploitThird Party Advisory
https://www.talosintelligence.com/vulnerability_reports/TALOS-2023-1697

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

8.8CVE-2023-47166Milesight ur32l firmware improper authorization vulnerabilityA firmware update vulnerability exists in the luci2-io file-import functionality of Milesight UR32L v32.3.0.7-r2. A specially crafted network request…EPSS 0.64%8.8CVE-2023-24519Milesight ur32l firmware command injection vulnerabilityTwo OS command injection vulnerability exist in the vtysh_ubus toolsh_excute.constprop.1 functionality of Milesight UR32L v32.3.0.5. A specially-craf…EPSS 3.6%8.8CVE-2023-24520Milesight ur32l firmware command injection vulnerabilityTwo OS command injection vulnerability exist in the vtysh_ubus toolsh_excute.constprop.1 functionality of Milesight UR32L v32.3.0.5. A specially-craf…EPSS 3.6%8.8CVE-2023-24582Milesight ur32l firmware command injection vulnerabilityTwo OS command injection vulnerabilities exist in the urvpn_client cmd_name_action functionality of Milesight UR32L v32.3.0.5. A specially crafted ne…EPSS 3.0%8.8CVE-2023-24583Milesight ur32l firmware command injection vulnerabilityTwo OS command injection vulnerabilities exist in the urvpn_client cmd_name_action functionality of Milesight UR32L v32.3.0.5. A specially crafted ne…EPSS 3.0%8.8CVE-2023-22653Milesight ur32l firmware os command injection vulnerabilityAn OS command injection vulnerability exists in the vtysh_ubus tcpdump_start_cb functionality of Milesight UR32L v32.3.0.5. A specially crafted HTTP …EPSS 5.8%8.8CVE-2023-24018Milesight ur32l firmware stack-based buffer overflow vulnerabilityA stack-based buffer overflow vulnerability exists in the libzebra.so.0.0.0 security_decrypt_password functionality of Milesight UR32L v32.3.0.5. A s…EPSS 1.5%8.8CVE-2023-22299Milesight ur32l firmware os command injection vulnerabilityAn OS command injection vulnerability exists in the vtysh_ubus _get_fw_logs functionality of Milesight UR32L v32.3.0.5. A specially crafted network r…EPSS 3.6%

Source: NIST National Vulnerability Database (record CVE-2023-23902), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.