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CVE-2026-4795

A missing authorization vulnerability in Zyxel GS1200-5v3 firmware versions through 1.00(ACPS.2)C0, GS1200-8v3 firmware versions through 1.00(ACPT.2)C0,  GS1200-5HPv3 firmware versions through 1.00(ACPU.2)C0, GS1200-8HPv3 firmware versions through 1.00(ACPV.2)C0, and GS1200-10v3 firmware versions through 1.00(ACPW.2)C0 could allow a LAN-based, unauthenticated attacker to read the system configuration from a log file via a crafted HTTP request.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:b38136b0b134c6c0a217ff88e9cb96ebbbff118b70efd92447baf4aa026215af
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
1

Preserved source conflicts

No provider value was silently selected as the winner.

affected · 5 assertions

{"defaultStatus":"unaffected","product":"GS1200-5HPv3 firmware","vendor":"Zyxel","versions":[{"status":"affected","version":"<= 1.00(ACPU.2)C0"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:ccdf4ad6b6a8da9d95b5c514213752a02723783ae3db6f00f9c90d7f8d6ed73e · sha256:5e8f17cabec24901… · /containers/cna/affected/2

{"defaultStatus":"unaffected","product":"GS1200-10v3 firmware","vendor":"Zyxel","versions":[{"status":"affected","version":"<= 1.00(ACPW.2)C0"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:ccdf4ad6b6a8da9d95b5c514213752a02723783ae3db6f00f9c90d7f8d6ed73e · sha256:5e8f17cabec24901… · /containers/cna/affected/4

{"defaultStatus":"unaffected","product":"GS1200-8HPv3 firmware","vendor":"Zyxel","versions":[{"status":"affected","version":"<= 1.00(ACPV.2)C0"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:ccdf4ad6b6a8da9d95b5c514213752a02723783ae3db6f00f9c90d7f8d6ed73e · sha256:5e8f17cabec24901… · /containers/cna/affected/3

{"defaultStatus":"unaffected","product":"GS1200-8v3 firmware","vendor":"Zyxel","versions":[{"status":"affected","version":"<= 1.00(ACPT.2)C0"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:ccdf4ad6b6a8da9d95b5c514213752a02723783ae3db6f00f9c90d7f8d6ed73e · sha256:5e8f17cabec24901… · /containers/cna/affected/1

{"defaultStatus":"unaffected","product":"GS1200-5v3 firmware","vendor":"Zyxel","versions":[{"status":"affected","version":"<= 1.00(ACPS.2)C0"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:ccdf4ad6b6a8da9d95b5c514213752a02723783ae3db6f00f9c90d7f8d6ed73e · sha256:5e8f17cabec24901… · /containers/cna/affected/0

Affected products and versions

5 source assertions
{"defaultStatus":"unaffected","product":"GS1200-5HPv3 firmware","vendor":"Zyxel","versions":[{"status":"affected","version":"<= 1.00(ACPU.2)C0"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:ccdf4ad6b6a8da9d95b5c514213752a02723783ae3db6f00f9c90d7f8d6ed73e · sha256:5e8f17cabec24901… · /containers/cna/affected/2
{"defaultStatus":"unaffected","product":"GS1200-10v3 firmware","vendor":"Zyxel","versions":[{"status":"affected","version":"<= 1.00(ACPW.2)C0"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:ccdf4ad6b6a8da9d95b5c514213752a02723783ae3db6f00f9c90d7f8d6ed73e · sha256:5e8f17cabec24901… · /containers/cna/affected/4
{"defaultStatus":"unaffected","product":"GS1200-8HPv3 firmware","vendor":"Zyxel","versions":[{"status":"affected","version":"<= 1.00(ACPV.2)C0"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:ccdf4ad6b6a8da9d95b5c514213752a02723783ae3db6f00f9c90d7f8d6ed73e · sha256:5e8f17cabec24901… · /containers/cna/affected/3
{"defaultStatus":"unaffected","product":"GS1200-8v3 firmware","vendor":"Zyxel","versions":[{"status":"affected","version":"<= 1.00(ACPT.2)C0"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:ccdf4ad6b6a8da9d95b5c514213752a02723783ae3db6f00f9c90d7f8d6ed73e · sha256:5e8f17cabec24901… · /containers/cna/affected/1
{"defaultStatus":"unaffected","product":"GS1200-5v3 firmware","vendor":"Zyxel","versions":[{"status":"affected","version":"<= 1.00(ACPS.2)C0"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:ccdf4ad6b6a8da9d95b5c514213752a02723783ae3db6f00f9c90d7f8d6ed73e · sha256:5e8f17cabec24901… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackVector":"ADJACENT_NETWORK","availabilityImpact":"NONE","baseScore":6.5,"baseSeverity":"MEDIUM","confidentialityImpact":"HIGH","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:ccdf4ad6b6a8da9d95b5c514213752a02723783ae3db6f00f9c90d7f8d6ed73e · sha256:5e8f17cabec24901… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

1 source assertion
{"cweId":"CWE-862","description":"CWE-862: Missing Authorization","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:ccdf4ad6b6a8da9d95b5c514213752a02723783ae3db6f00f9c90d7f8d6ed73e · sha256:5e8f17cabec24901… · /containers/cna/problemTypes/0/descriptions/0

Source references

1 source assertion
{"tags":["vendor-advisory"],"url":"https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-missing-authorization-vulnerability-in-gs1200v3-series-switches-05-26-2026"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:ccdf4ad6b6a8da9d95b5c514213752a02723783ae3db6f00f9c90d7f8d6ed73e · sha256:5e8f17cabec24901… · /containers/cna/references/0

Attribution and limitations

  • CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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