Baitaphish
Security intelligence
SearchLatest briefing
CVE Explorer

CVE-2025-8760

A vulnerability was identified in INSTAR 2K+ and 4K 3.11.1 Build 1124. This affects the function base64_decode of the component fcgi_server. The manipulation of the argument Authorization leads to buffer overflow. It is possible to initiate the attack remotely.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:d7434e02b440c11c0de199a6dca7cca8d1d48f60f4b029dfa68192f8fb3e3e16
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
3

Preserved source conflicts

No provider value was silently selected as the winner.

affected · 2 assertions

{"modules":["fcgi_server"],"product":"4K","vendor":"INSTAR","versions":[{"status":"affected","version":"3.11.1 Build 1124"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:2803cbfe3cff64b94a18019751605b4bdf6531f97d534f1bc50d10f1a2a72549 · sha256:d6536dddf44ea943… · /containers/cna/affected/1

{"modules":["fcgi_server"],"product":"2K+","vendor":"INSTAR","versions":[{"status":"affected","version":"3.11.1 Build 1124"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:2803cbfe3cff64b94a18019751605b4bdf6531f97d534f1bc50d10f1a2a72549 · sha256:d6536dddf44ea943… · /containers/cna/affected/0
cvss · 4 assertions

{"metric":{"baseScore":10,"vectorString":"AV:N/AC:L/Au:N/C:C/I:C/A:C/E:ND/RL:W/RC:UR","version":"2.0"},"metric_type":"cvssV2_0"}

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:2803cbfe3cff64b94a18019751605b4bdf6531f97d534f1bc50d10f1a2a72549 · sha256:d6536dddf44ea943… · /containers/cna/metrics/3/cvssV2_0

{"metric":{"baseScore":9.8,"baseSeverity":"CRITICAL","vectorString":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:X/RL:W/RC:R","version":"3.0"},"metric_type":"cvssV3_0"}

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:2803cbfe3cff64b94a18019751605b4bdf6531f97d534f1bc50d10f1a2a72549 · sha256:d6536dddf44ea943… · /containers/cna/metrics/2/cvssV3_0

{"metric":{"baseScore":9.3,"baseSeverity":"CRITICAL","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X","version":"4.0"},"metric_type":"cvssV4_0"}

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:2803cbfe3cff64b94a18019751605b4bdf6531f97d534f1bc50d10f1a2a72549 · sha256:d6536dddf44ea943… · /containers/cna/metrics/0/cvssV4_0

{"metric":{"baseScore":9.8,"baseSeverity":"CRITICAL","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:X/RL:W/RC:R","version":"3.1"},"metric_type":"cvssV3_1"}

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:2803cbfe3cff64b94a18019751605b4bdf6531f97d534f1bc50d10f1a2a72549 · sha256:d6536dddf44ea943… · /containers/cna/metrics/1/cvssV3_1
cwe · 2 assertions

{"cweId":"CWE-119","description":"Memory Corruption","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:2803cbfe3cff64b94a18019751605b4bdf6531f97d534f1bc50d10f1a2a72549 · sha256:d6536dddf44ea943… · /containers/cna/problemTypes/1/descriptions/0

{"cweId":"CWE-120","description":"Buffer Overflow","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:2803cbfe3cff64b94a18019751605b4bdf6531f97d534f1bc50d10f1a2a72549 · sha256:d6536dddf44ea943… · /containers/cna/problemTypes/0/descriptions/0

Affected products and versions

2 source assertions
{"modules":["fcgi_server"],"product":"4K","vendor":"INSTAR","versions":[{"status":"affected","version":"3.11.1 Build 1124"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:2803cbfe3cff64b94a18019751605b4bdf6531f97d534f1bc50d10f1a2a72549 · sha256:d6536dddf44ea943… · /containers/cna/affected/1
{"modules":["fcgi_server"],"product":"2K+","vendor":"INSTAR","versions":[{"status":"affected","version":"3.11.1 Build 1124"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:2803cbfe3cff64b94a18019751605b4bdf6531f97d534f1bc50d10f1a2a72549 · sha256:d6536dddf44ea943… · /containers/cna/affected/0

Provider-owned CVSS observations

4 source assertions
{"metric":{"baseScore":10,"vectorString":"AV:N/AC:L/Au:N/C:C/I:C/A:C/E:ND/RL:W/RC:UR","version":"2.0"},"metric_type":"cvssV2_0"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:2803cbfe3cff64b94a18019751605b4bdf6531f97d534f1bc50d10f1a2a72549 · sha256:d6536dddf44ea943… · /containers/cna/metrics/3/cvssV2_0
{"metric":{"baseScore":9.8,"baseSeverity":"CRITICAL","vectorString":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:X/RL:W/RC:R","version":"3.0"},"metric_type":"cvssV3_0"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:2803cbfe3cff64b94a18019751605b4bdf6531f97d534f1bc50d10f1a2a72549 · sha256:d6536dddf44ea943… · /containers/cna/metrics/2/cvssV3_0
{"metric":{"baseScore":9.3,"baseSeverity":"CRITICAL","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X","version":"4.0"},"metric_type":"cvssV4_0"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:2803cbfe3cff64b94a18019751605b4bdf6531f97d534f1bc50d10f1a2a72549 · sha256:d6536dddf44ea943… · /containers/cna/metrics/0/cvssV4_0
{"metric":{"baseScore":9.8,"baseSeverity":"CRITICAL","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:X/RL:W/RC:R","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:2803cbfe3cff64b94a18019751605b4bdf6531f97d534f1bc50d10f1a2a72549 · sha256:d6536dddf44ea943… · /containers/cna/metrics/1/cvssV3_1

CWE assertions

2 source assertions
{"cweId":"CWE-119","description":"Memory Corruption","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:2803cbfe3cff64b94a18019751605b4bdf6531f97d534f1bc50d10f1a2a72549 · sha256:d6536dddf44ea943… · /containers/cna/problemTypes/1/descriptions/0
{"cweId":"CWE-120","description":"Buffer Overflow","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:2803cbfe3cff64b94a18019751605b4bdf6531f97d534f1bc50d10f1a2a72549 · sha256:d6536dddf44ea943… · /containers/cna/problemTypes/0/descriptions/0

Source references

3 source assertions
{"tags":["related"],"url":"https://modzero.com/static/MZ-25-03_modzero_INSTAR.pdf"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:2803cbfe3cff64b94a18019751605b4bdf6531f97d534f1bc50d10f1a2a72549 · sha256:d6536dddf44ea943… · /containers/cna/references/2
{"name":"VDB-319863 | CTI Indicators (IOB, IOC, IOA)","tags":["signature","permissions-required"],"url":"https://vuldb.com/?ctiid.319863"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:2803cbfe3cff64b94a18019751605b4bdf6531f97d534f1bc50d10f1a2a72549 · sha256:d6536dddf44ea943… · /containers/cna/references/1
{"name":"VDB-319863 | INSTAR 2K+/4K fcgi_server base64_decode buffer overflow","tags":["vdb-entry","technical-description"],"url":"https://vuldb.com/?id.319863"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:2803cbfe3cff64b94a18019751605b4bdf6531f97d534f1bc50d10f1a2a72549 · sha256:d6536dddf44ea943… · /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.

← Back to CVE Explorer