{"id":"CVE-2026-85454","title":"MOOS core-moos through 10.4.0 contains a buffer overflow vulnerability in CMOOSSerialPort::GetTelegram() that writes a NUL terminator one byte past the serial telegram stack buffer","summary":"MOOS core-moos through 10.4.0 contains a buffer overflow vulnerability in CMOOSSerialPort::GetTelegram() that writes a NUL terminator one byte past the serial telegram stack buffer. Attackers controlling the serial line can send a full-l…","severity":"medium","cvss":6.1,"cvssVector":"CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H","cwe":["CWE-193"],"vendor":"themoos","product":"core-moos","affected":["core-moos < 10.4.0"],"patched":["core-moos 10.4.0"],"published":"2026-09-03","updated":"2026-10-14","sourceUpdated":"2026-10-14T23:33:22.447","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-85454","references":[{"url":"https://github.com/themoos/core-moos","label":"disclosure@vulncheck.com"},{"url":"https://github.com/themoos/core-moos/blob/ec9c77c68fcbdef8f5e4c60fe243acd223433f0c/Core/libMOOS/Utils/MOOSSerialPort.cpp#L595","label":"disclosure@vulncheck.com"},{"url":"https://github.com/themoos/core-moos/commit/befb04df2039d0080715ea35f56268092db4ec0f","label":"disclosure@vulncheck.com"},{"url":"https://github.com/themoos/core-moos/pull/73","label":"disclosure@vulncheck.com"},{"url":"https://www.vulncheck.com/advisories/moos-core-moos-through-10.4.0-off-by-one-buffer-overflow-in-serial-telegram-handling","label":"disclosure@vulncheck.com"}],"tags":["nvd","cve.org"],"epss":0.00321,"epssPercentile":0.24915,"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-09-08T13:57:02.987590Z"},"ingestedAt":"2026-09-08T15:33:26.959Z","slug":"CVE-2026-85454","body":"## Overview\n\nMOOS core-moos through 10.4.0 contains a buffer overflow vulnerability in CMOOSSerialPort::GetTelegram() that writes a NUL terminator one byte past the serial telegram stack buffer. Attackers controlling the serial line can send a full-length telegram to trigger the off-by-one write, corrupting the stack and potentially enabling code execution.\n\n## Affected\n\n- `core-moos < 10.4.0`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `core-moos 10.4.0`","depth":"sunlit","depthScore":34,"depthScoreParts":{"impact":33.6,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}