CVE-2024-11253
CVE-2024-11253 is a high-severity vulnerability in Zyxel Emg5723-t50k Firmware with a CVSS 3.x base score of 7.2. 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-78.
Key facts
- Severity: High (CVSS 3.x base score 7.2)
- EPSS exploit prediction: 1% (64th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2024-54134
- Weakness: CWE-78
- Affected product: Zyxel Emg5723-t50k Firmware
- Published:
- Last modified:
Description
A post-authentication command injection vulnerability in the "DNSServer” parameter of the diagnostic function in the Zyxel VMG8825-T50K firmware version V5.50(ABOM.8.5)C0 and earlier could allow an authenticated attacker with administrator privileges to execute operating system (OS) commands on a vulnerable device.
Frequently asked questions
- What is CVE-2024-11253?
- A post-authentication command injection vulnerability in the "DNSServer” parameter of the diagnostic function in the Zyxel VMG8825-T50K firmware version V5.50(ABOM.8.5)C0 and earlier could allow an authenticated attacker with administrator privileges to execute operating system (OS) commands on a vulnerable device.
- How severe is CVE-2024-11253?
- CVE-2024-11253 has a CVSS 3.x base score of 7.2, rated high severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2024-11253 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (64th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2024-11253?
- CVE-2024-11253 primarily affects Zyxel Emg5723-t50k Firmware. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2024-11253?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- Does CVE-2024-11253 have an EU (EUVD) identifier?
- Yes. CVE-2024-11253 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-54134.
- When was CVE-2024-11253 published?
- CVE-2024-11253 was published on 2025-03-11 and last updated on 2026-06-17.
References
Affected products (6)
- cpe:2.3:o:zyxel:emg5723-t50k_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:zyxel:dm4200-b0_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:zyxel:vmg3927-t50k_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:zyxel:vmg4005-b50a_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:zyxel:vmg4005-b60a_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:zyxel:vmg8825-t50k_firmware:*:*:*:*:*:*:*:*
More vulnerabilities in Zyxel Emg5723-t50k Firmware
- CVE-2025-7673 — Critical (CVSS 9.8): A buffer overflow vulnerability in the URL parser of the zhttpd web server in Zyxel VMG8825-T50K firmware versions…
- CVE-2025-8693 — High (CVSS 8.8): A post-authentication command injection vulnerability in the "priv" parameter of Zyxel DX3300-T0 firmware version…
- CVE-2022-26413 — High (CVSS 8.0): A command injection vulnerability in the CGI program of Zyxel VMG3312-T20A firmware version 5.30(ABFX.5)C0 could allow…
- CVE-2024-8748 — High (CVSS 7.5): A buffer overflow vulnerability in the packet parser of the third-party library "libclinkc" in Zyxel VMG8825-T50K…
- CVE-2024-5412 — High (CVSS 7.5): A buffer overflow vulnerability in the library "libclinkc" of the Zyxel VMG8825-T50K firmware version 5.50(ABOM.8)C0…
- CVE-2024-12010 — High (CVSS 7.2): A post-authentication command injection vulnerability in the ”zyUtilMailSend” function of the Zyxel AX7501-B1…
All CVEs affecting Zyxel Emg5723-t50k Firmware →
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