{"id":"CVE-2026-102726","aliases":["EUVD-2026-89193","GHSA-2wwp-ffgp-6ggj","GHSA-5fjx-5wfx-f7jp"],"status":"published","title":"Unbounded PPP IPCP Option Parsing Causes a Worker Stall and Out-of-bounds Read","description":"In Eclipse ThreadX NetX Duo versions 6.0 through 6.5.2.202603a, the PPP IPCP code parses a peer's Configure-Nak without validating each option's length. A malicious PPP peer can stall the PPP thread indefinitely with a zero-length option, taking the link down, and can read back up to four bytes of packet-buffer memory per exchange with a short address option.","severity":{"version":"4.0","score":7.1,"vector":"CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00154,"percentile":0.04546,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-125","CWE-835"],"published":"2026-09-29T17:51:48Z","modified":"2026-11-04T10:35:10Z","products":[{"vendor":"eclipse foundation","product":"eclipse threadx netx duo"}],"references":[{"url":"https://github.com/eclipse-threadx/netxduo/security/advisories/GHSA-2wwp-ffgp-6ggj","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-102726","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-5fjx-5wfx-f7jp"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/102xxx/CVE-2026-102726.json","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2026-102726","title":"Unbounded PPP IPCP Option Parsing Causes a Worker Stall and Out-of-bounds Read","description":"In Eclipse ThreadX NetX Duo versions 6.0 through 6.5.2.202603a, the PPP IPCP code parses a peer's Configure-Nak without validating each option's length. A malicious PPP peer can stall the PPP thread indefinitely with a zero-length option, taking the link down, and can read back up to four bytes of packet-buffer memory per exchange with a short address option.","status":"published","published":"2026-09-29T17:51:48.598Z","modified":"2026-11-04T10:35:10.543Z","cvss":[{"version":"4.0","score":7.1,"vector":"CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N","level":"high","assessor":"cna"}],"cwes":["CWE-125","CWE-835"],"updated_at":"2026-11-04T11:59:23.805019Z"}],"euvd":[{"id":"EUVD-2026-89193","description":"In Eclipse ThreadX NetX Duo versions 6.0 through 6.5.2.202603a, the PPP IPCP code parses a peer's Configure-Nak without validating each option's length. A malicious PPP peer can stall the PPP thread indefinitely with a zero-length option, taking the link down, and can read back up to four bytes of packet-buffer memory per exchange with a short address option.","status":"published","published":"2026-09-29T17:51:48Z","modified":"2026-11-04T10:35:10Z","cvss":[{"version":"4.0","score":7.1,"vector":"CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N","level":"high"}],"updated_at":"2026-11-04T12:02:58.009925Z"}],"ghsa":[{"id":"GHSA-5fjx-5wfx-f7jp","title":"Unbounded PPP IPCP Option Parsing Causes a Worker Stall and Out-of-bounds Read","description":"Unbounded PPP IPCP Option Parsing Causes a Worker Stall and Out-of-bounds Read","status":"published","published":"2026-09-29T18:32:03Z","modified":"2026-09-29T18:32:09Z","cvss":[{"version":"4.0","score":6,"vector":"CVSS:4.0/AV:A/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/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/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"medium"}],"cwes":["CWE-125"],"updated_at":"2026-11-02T15:12:33.840327Z"}],"nvd":[{"id":"CVE-2026-102726","description":"In Eclipse ThreadX NetX Duo versions 6.0 through 6.5.2.202603a, the PPP IPCP code parses a peer's Configure-Nak without validating each option's length. A malicious PPP peer can stall the PPP thread indefinitely with a zero-length option, taking the link down, and can read back up to four bytes of packet-buffer memory per exchange with a short address option.","status":"published","published":"2026-09-29T18:17:12.227Z","modified":"2026-11-04T11:17:10.54Z","cvss":[{"version":"4.0","score":7.1,"vector":"CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/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/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"high","assessor":"secondary"}],"cwes":["CWE-125","CWE-835"],"updated_at":"2026-11-04T14:01:26.882474Z"}],"osv":[{"id":"CVE-2026-102726","title":"Unbounded PPP IPCP Option Parsing Causes a Worker Stall and Out-of-bounds Read","description":"In Eclipse ThreadX NetX Duo versions 6.0 through 6.5.2.202603a, the PPP IPCP code parses a peer's Configure-Nak without validating each option's length. A malicious PPP peer can stall the PPP thread indefinitely with a zero-length option, taking the link down, and can read back up to four bytes of packet-buffer memory per exchange with a short address option.","status":"published","published":"2026-09-29T17:51:48.598Z","modified":"2026-11-07T10:47:27.824301159Z","cvss":[{"version":"4.0","score":7.1,"vector":"CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N","level":"high"}],"cwes":["CWE-125","CWE-835"],"updated_at":"2026-11-07T11:15:38.581573Z"}]}}