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Medium severity6.5NVD Advisory· Published Jun 5, 2023· Updated Jun 17, 2026

CVE-2023-27989

CVE-2023-27989

Description

A buffer overflow vulnerability in the CGI program of the Zyxel NR7101 firmware versions prior to V1.00(ABUV.8)C0 could allow a remote authenticated attacker to cause denial of service (DoS) conditions by sending a crafted HTTP request to a vulnerable device.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

6
  • Zyxel/Lte7480 M804 Firmware
    cpe:2.3:o:zyxel:lte7480-m804_firmware:*:*:*:*:*:*:*:*
    Range: <=1.00\(abra.6\)c0
  • Zyxel/Lte7490 M904 Firmware
    cpe:2.3:o:zyxel:lte7490-m904_firmware:*:*:*:*:*:*:*:*
    Range: <=1.00\(abqy.5\)c0
  • Zyxel/Nebula Nr7101 Firmware
    cpe:2.3:o:zyxel:nebula_nr7101_firmware:*:*:*:*:*:*:*:*
    Range: <=1.15\(accc.3\)c0
  • Zyxel/Nr7101 Firmware2 versions
    cpe:2.3:o:zyxel:nr7101_firmware:*:*:*:*:*:*:*:*+ 1 more
    • cpe:2.3:o:zyxel:nr7101_firmware:*:*:*:*:*:*:*:*range: <=1.00\(abuv.7\)c0
    • (no CPE)range: < V1.00(ABUV.8)C0
  • Zyxel/NR7101llm-fuzzy
    Range: <V1.00(ABUV.8)C0

Patches

Vulnerability mechanics

References

1

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