CVE-2025-8693
CVE-2025-8693 is a high-severity vulnerability in Zyxel Dm4200-b0 Firmware with a CVSS 3.x base score of 8.8. 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-78.
Key facts
- Severity: High (CVSS 3.x base score 8.8)
- EPSS exploit prediction: 1% (62nd percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2025-197902
- Weakness: CWE-78
- Affected product: Zyxel Dm4200-b0 Firmware
- Published:
- Last modified:
Description
A post-authentication command injection vulnerability in the "priv" parameter of Zyxel DX3300-T0 firmware version 5.50(ABVY.6.3)C0 and earlier could allow an authenticated attacker to execute operating system (OS) commands on an affected device.
Frequently asked questions
- What is CVE-2025-8693?
- A post-authentication command injection vulnerability in the "priv" parameter of Zyxel DX3300-T0 firmware version 5.50(ABVY.6.3)C0 and earlier could allow an authenticated attacker to execute operating system (OS) commands on an affected device.
- How severe is CVE-2025-8693?
- CVE-2025-8693 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2025-8693 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (62nd percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2025-8693?
- CVE-2025-8693 primarily affects Zyxel Dm4200-b0 Firmware. In total, 54 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2025-8693?
- 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-2025-8693 have an EU (EUVD) identifier?
- Yes. CVE-2025-8693 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-197902.
- When was CVE-2025-8693 published?
- CVE-2025-8693 was published on 2025-11-18 and last updated on 2026-06-17.
References
Affected products (54)
- cpe:2.3:o:zyxel:dm4200-b0_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:zyxel:dx3300-t0_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:zyxel:dx3300-t1_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:zyxel:dx3301-t0_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:zyxel:dx4510-b1_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:zyxel:dx5401-b0_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:zyxel:dx5401-b1_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:zyxel:ee3301-00_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:zyxel:ee5301-00_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:zyxel:ee6510-10_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:zyxel:ex3300-t0_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:zyxel:ex3300-t1_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:zyxel:ex3301-t0_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:zyxel:ex3500-t0_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:zyxel:ex3501-t0_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:zyxel:ex3510-b0_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:zyxel:ex3510-b1_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:zyxel:ex3600-t0_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:zyxel:ex5401-b0_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:zyxel:ex5401-b1_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:zyxel:ex5501-b0_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:zyxel:ex5510-b0_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:zyxel:ex5512-t0_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:zyxel:ex5601-t0_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:zyxel:ex5601-t1_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:zyxel:ex7501-b0_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:zyxel:ex7710-b0_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:zyxel:emg3525-t50b_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:zyxel:emg5523-t50b_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:zyxel:emg5723-t50k_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:zyxel:gm4100-b0_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:zyxel:vmg3625-t50b_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:vmg4005-b50b_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:zyxel:vmg8623-t50b_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:zyxel:vmg8825-t50k_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:zyxel:ax7501-b0_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:zyxel:ax7501-b1_firmware:*:*:*:*:*:*:*:*
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