← Vulnerability feed

Vulnerability record · CVE-2023-25119 · published 6 July 2023

CVE-2023-25119: Milesight ur32l firmware stack-based buffer overflow vulnerability

Milesight · Ur32l Firmware

Multiple buffer overflow vulnerabilities exist in the vtysh_ubus binary of Milesight UR32L v32.3.0.5 due to the use of an unsafe sprintf pattern. A specially crafted HTTP request can lead to arbitrary code execution. An attacker with high privileges can send HTTP requests to trigger these vulnerabilities.This buffer overflow occurs in the set_pptp function with the remote_subnet and the remote_mask variables.

7.2 CVSS 3.1 High EPSS 1.5% · top 27.2% CWE-121 · Stack-based buffer overflowCWE-787 · Out-of-bounds write
7.2CVSS 3.1 base score
1.5%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

Multiple buffer overflow vulnerabilities exist in the vtysh_ubus binary of Milesight UR32L v32.3.0.5 due to the use of an unsafe sprintf pattern. A specially crafted HTTP request can lead to arbitrary code execution. An attacker with high privileges can send HTTP requests to trigger these vulnerabilities.This buffer overflow occurs in the set_pptp function with the remote_subnet and the remote_mask variables.

CVSS:3.1/AV:N/AC:L/PR:H/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-2023-1716 ExploitThird Party Advisory
https://talosintelligence.com/vulnerability_reports/TALOS-2023-1716 ExploitThird Party Advisory
https://www.talosintelligence.com/vulnerability_reports/TALOS-2023-1716

Track CVE-2023-25119 inside VULONE

Watch it alongside the ransomware crews, C2 infrastructure and forum chatter that reference it, query it through the API and pull it into your SIEM over TAXII.

Start free Open in platform

Related vulnerabilities

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

9.8CVE-2023-23902Milesight ur32l firmware stack-based buffer overflow vulnerabilityA buffer overflow vulnerability exists in the uhttpd login functionality of Milesight UR32L v32.3.0.5. A specially crafted network request can lead t…EPSS 2.2%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-2023-24582Milesight 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-2023-24519Milesight 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-2023-24583Milesight 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-2023-24520Milesight 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-2023-24018Milesight 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-2023-22653Milesight 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%

Source: NIST National Vulnerability Database (record CVE-2023-25119), CISA KEV, FIRST EPSS (scores of 2026-10-07). This page is refreshed as NVD updates the record.