Baitaphish
Security intelligence
SearchLatest briefing
CVE Explorer

CVE-2026-2329

An unauthenticated stack-based buffer overflow vulnerability exists in the HTTP API endpoint /cgi-bin/api.values.get. A remote attacker can leverage this vulnerability to achieve unauthenticated remote code execution (RCE) with root privileges on a target device. The vulnerability affects all six device models in the series: GXP1610, GXP1615, GXP1620, GXP1625, GXP1628, and GXP1630.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:1380778dc896cdda95acf3a300abacb3ff481098333c08c9bfad3c5553f742d7
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
1

Preserved source conflicts

No provider value was silently selected as the winner.

affected · 6 assertions

{"defaultStatus":"unaffected","product":"GXP1625","vendor":"Grandstream","versions":[{"lessThanOrEqual":"1.0.7.80","status":"affected","version":"0","versionType":"semver"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:97ed728aec94f13c82f9f45c5ed8657893bde348d7fb500ce88211d7dbb41e09 · sha256:56a3609cad10eafa… · /containers/cna/affected/3

{"defaultStatus":"unaffected","product":"GXP1615","vendor":"Grandstream","versions":[{"lessThanOrEqual":"1.0.7.80","status":"affected","version":"0","versionType":"semver"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:97ed728aec94f13c82f9f45c5ed8657893bde348d7fb500ce88211d7dbb41e09 · sha256:56a3609cad10eafa… · /containers/cna/affected/1

{"defaultStatus":"unaffected","product":"GXP1630","vendor":"Grandstream","versions":[{"lessThanOrEqual":"1.0.7.80","status":"affected","version":"0","versionType":"semver"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:97ed728aec94f13c82f9f45c5ed8657893bde348d7fb500ce88211d7dbb41e09 · sha256:56a3609cad10eafa… · /containers/cna/affected/5

{"defaultStatus":"unaffected","product":"GXP1628","vendor":"Grandstream","versions":[{"lessThanOrEqual":"1.0.7.80","status":"affected","version":"0","versionType":"semver"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:97ed728aec94f13c82f9f45c5ed8657893bde348d7fb500ce88211d7dbb41e09 · sha256:56a3609cad10eafa… · /containers/cna/affected/4

{"defaultStatus":"unaffected","product":"GXP1620","vendor":"Grandstream","versions":[{"lessThanOrEqual":"1.0.7.80","status":"affected","version":"0","versionType":"semver"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:97ed728aec94f13c82f9f45c5ed8657893bde348d7fb500ce88211d7dbb41e09 · sha256:56a3609cad10eafa… · /containers/cna/affected/2

{"defaultStatus":"unaffected","product":"GXP1610","vendor":"Grandstream","versions":[{"lessThanOrEqual":"1.0.7.80","status":"affected","version":"0","versionType":"semver"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:97ed728aec94f13c82f9f45c5ed8657893bde348d7fb500ce88211d7dbb41e09 · sha256:56a3609cad10eafa… · /containers/cna/affected/0

Affected products and versions

6 source assertions
{"defaultStatus":"unaffected","product":"GXP1625","vendor":"Grandstream","versions":[{"lessThanOrEqual":"1.0.7.80","status":"affected","version":"0","versionType":"semver"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:97ed728aec94f13c82f9f45c5ed8657893bde348d7fb500ce88211d7dbb41e09 · sha256:56a3609cad10eafa… · /containers/cna/affected/3
{"defaultStatus":"unaffected","product":"GXP1615","vendor":"Grandstream","versions":[{"lessThanOrEqual":"1.0.7.80","status":"affected","version":"0","versionType":"semver"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:97ed728aec94f13c82f9f45c5ed8657893bde348d7fb500ce88211d7dbb41e09 · sha256:56a3609cad10eafa… · /containers/cna/affected/1
{"defaultStatus":"unaffected","product":"GXP1630","vendor":"Grandstream","versions":[{"lessThanOrEqual":"1.0.7.80","status":"affected","version":"0","versionType":"semver"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:97ed728aec94f13c82f9f45c5ed8657893bde348d7fb500ce88211d7dbb41e09 · sha256:56a3609cad10eafa… · /containers/cna/affected/5
{"defaultStatus":"unaffected","product":"GXP1628","vendor":"Grandstream","versions":[{"lessThanOrEqual":"1.0.7.80","status":"affected","version":"0","versionType":"semver"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:97ed728aec94f13c82f9f45c5ed8657893bde348d7fb500ce88211d7dbb41e09 · sha256:56a3609cad10eafa… · /containers/cna/affected/4
{"defaultStatus":"unaffected","product":"GXP1620","vendor":"Grandstream","versions":[{"lessThanOrEqual":"1.0.7.80","status":"affected","version":"0","versionType":"semver"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:97ed728aec94f13c82f9f45c5ed8657893bde348d7fb500ce88211d7dbb41e09 · sha256:56a3609cad10eafa… · /containers/cna/affected/2
{"defaultStatus":"unaffected","product":"GXP1610","vendor":"Grandstream","versions":[{"lessThanOrEqual":"1.0.7.80","status":"affected","version":"0","versionType":"semver"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:97ed728aec94f13c82f9f45c5ed8657893bde348d7fb500ce88211d7dbb41e09 · sha256:56a3609cad10eafa… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","Safety":"NOT_DEFINED","attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"NETWORK","baseScore":9.3,"baseSeverity":"CRITICAL","exploitMaturity":"NOT_DEFINED","privilegesRequired":"NONE","providerUrgency":"NOT_DEFINED","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"NONE","valueDensity":"NOT_DEFINED","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","version":"4.0","vulnAvailabilityImpact":"HIGH","vulnConfidentialityImpac…
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:97ed728aec94f13c82f9f45c5ed8657893bde348d7fb500ce88211d7dbb41e09 · sha256:56a3609cad10eafa… · /containers/cna/metrics/0/cvssV4_0

CWE assertions

1 source assertion
{"cweId":"CWE-121","description":"CWE-121 Stack-based Buffer Overflow","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:97ed728aec94f13c82f9f45c5ed8657893bde348d7fb500ce88211d7dbb41e09 · sha256:56a3609cad10eafa… · /containers/cna/problemTypes/0/descriptions/0

Source references

4 source assertions
{"tags":["release-notes"],"url":"https://firmware.grandstream.com/Release_Note_GXP16xx_1.0.7.81.pdf"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:97ed728aec94f13c82f9f45c5ed8657893bde348d7fb500ce88211d7dbb41e09 · sha256:56a3609cad10eafa… · /containers/cna/references/2
{"tags":["exploit"],"url":"https://github.com/rapid7/metasploit-framework/pull/20983"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:97ed728aec94f13c82f9f45c5ed8657893bde348d7fb500ce88211d7dbb41e09 · sha256:56a3609cad10eafa… · /containers/cna/references/3
{"tags":["vendor-advisory"],"url":"https://psirt.grandstream.com/"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:97ed728aec94f13c82f9f45c5ed8657893bde348d7fb500ce88211d7dbb41e09 · sha256:56a3609cad10eafa… · /containers/cna/references/1
{"tags":["third-party-advisory"],"url":"https://www.rapid7.com/blog/post/ve-cve-2026-2329-critical-unauthenticated-stack-buffer-overflow-in-grandstream-gxp1600-voip-phones-fixed"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:97ed728aec94f13c82f9f45c5ed8657893bde348d7fb500ce88211d7dbb41e09 · sha256:56a3609cad10eafa… · /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