{"id":"CVE-2026-2329","url":"https://www.cyber-defence.io/tools/cve/CVE-2026-2329","generatedAt":"2026-10-31T06:57:22.250Z","title":"An unauthenticated stack-based buffer overflow vulnerability exists in the HTTP API endpoint /cgi-bin/api.values.get.","description":"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.","published":"2026-02-18T15:18:44.000Z","lastModified":"2026-06-17T10:30:48.000Z","status":"Analyzed","sourceIdentifier":"cve@rapid7.com","cvss":{"version":"4.0","score":9.3,"severity":"CRITICAL","vector":"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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/M"},"cwe":["CWE-121"],"affected":["grandstream/gxp1610 firmware","grandstream/gxp1615 firmware","grandstream/gxp1620 firmware","grandstream/gxp1625 firmware","grandstream/gxp1628 firmware","grandstream/gxp1630 firmware"],"epss":{"score":0.41721,"percentile":0.98684,"date":"2026-10-30","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"urgent","text":"EPSS puts the probability of exploitation in the next 30 days at 41.7%, higher than 99% of all known CVEs. Patch or mitigate before the next change window."},"changes":[],"references":[{"url":"https://firmware.grandstream.com/Release_Note_GXP16xx_1.0.7.81.pdf","tags":["Product","Release Notes"],"source":"cve@rapid7.com"},{"url":"https://github.com/rapid7/metasploit-framework/pull/20983","tags":["Patch","VDB Entry"],"source":"cve@rapid7.com"},{"url":"https://psirt.grandstream.com/","tags":["Vendor Advisory"],"source":"cve@rapid7.com"},{"url":"https://www.rapid7.com/blog/post/ve-cve-2026-2329-critical-unauthenticated-stack-buffer-overflow-in-grandstream-gxp1600-voip-phones-fixed","tags":["Third Party Advisory","VDB Entry"],"source":"cve@rapid7.com"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-2329","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}