{"id":"CVE-2026-16455","state":"PUBLISHED","title":"Local privilege escalation via improper input sanitization in execl() call","description":"In Teltonika Networks RUTOS devices running versions 7.07.1 through 7.24.1 and TSWOS devices running versions 1.03 through 1.10, a vulnerability exists whereby a lower privileged user can escalate privileges to administrative level due to unsafe calls to an execl function.","publishedAt":"2026-08-13T10:48:03.896Z","updatedAt":"2026-08-13T14:45:18.394Z","severity":{"score":6.9,"label":"Medium","version":"4.0","vector":"CVSS:4.0/AV:A/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N","source":"tlt_net"},"assigner":"tlt_net","products":["Teltonika Networks RUTOS","Teltonika Networks TSWOS"],"affected":[{"vendor":"Teltonika Networks","product":"RUTOS","defaultStatus":"unaffected","versions":[{"version":"RUTOS 7.07.1","status":"affected","lessThanOrEqual":"7.24.1","versionType":"semver"}]},{"vendor":"Teltonika Networks","product":"TSWOS","defaultStatus":"unaffected","versions":[{"version":"1.03","status":"affected","lessThanOrEqual":"1.10","versionType":"semver"}]}],"references":["https://www.teltonika-networks.com/support/security-centre?report=CVE-2026-16455++"],"weaknesses":["CWE-93"],"ingestedAt":"2026-10-29T20:11:00.674Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/16xxx/CVE-2026-16455.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-16455","state":"PUBLISHED","datePublished":"2026-08-13T10:48:03.896Z","dateUpdated":"2026-08-13T14:45:18.394Z","assignerShortName":"tlt_net","assignerOrgId":"001d69cf-3fc9-4203-93fb-9865b54e05b2","dateReserved":"2026-07-21T10:10:50.437Z"},"containers":{"cna":{"title":"Local privilege escalation via improper input sanitization in execl() call","descriptions":[{"lang":"en","value":"In Teltonika Networks RUTOS devices running versions 7.07.1 through 7.24.1 and TSWOS devices running versions 1.03 through 1.10, a vulnerability exists whereby a lower privileged user can escalate privileges to administrative level due to unsafe calls to an execl function."}],"affected":[{"vendor":"Teltonika Networks","product":"RUTOS","defaultStatus":"unaffected","versions":[{"version":"RUTOS 7.07.1","status":"affected","lessThanOrEqual":"7.24.1","versionType":"semver"}]},{"vendor":"Teltonika Networks","product":"TSWOS","defaultStatus":"unaffected","versions":[{"version":"1.03","status":"affected","lessThanOrEqual":"1.10","versionType":"semver"}]}],"references":[{"url":"https://www.teltonika-networks.com/support/security-centre?report=CVE-2026-16455++"}],"metrics":[{"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}],"cvssV4_0":{"attackVector":"ADJACENT","attackComplexity":"LOW","attackRequirements":"NONE","privilegesRequired":"LOW","userInteraction":"NONE","vulnConfidentialityImpact":"NONE","subConfidentialityImpact":"NONE","vulnIntegrityImpact":"HIGH","subIntegrityImpact":"NONE","vulnAvailabilityImpact":"NONE","subAvailabilityImpact":"NONE","exploitMaturity":"NOT_DEFINED","Safety":"NOT_DEFINED","Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","valueDensity":"NOT_DEFINED","vulnerabilityResponseEffort":"NOT_DEFINED","providerUrgency":"NOT_DEFINED","version":"4.0","baseSeverity":"MEDIUM","baseScore":6.9,"vectorString":"CVSS:4.0/AV:A/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-93","lang":"en","description":"CWE-93: Improper Neutralization of CRLF Sequences ('CRLF Injection')","type":"CWE"}]}],"providerMetadata":{"shortName":"tlt_net","orgId":"001d69cf-3fc9-4203-93fb-9865b54e05b2","dateUpdated":"2026-08-13T10:48:03.896Z"},"impacts":[{"capecId":"CAPEC-233","descriptions":[{"lang":"en","value":"CAPEC-233: Privilege Escalation"}]}],"solutions":[{"lang":"en","value":"Update to RUTOS 7.24.2 or later.\n\n\n\nUpdate to TSWOS 1.10.1 or later.","supportingMedia":[{"type":"text/html","base64":false,"value":"<p>Update to RUTOS 7.24.2 or later.</p><p>Update to TSWOS 1.10.1 or later.</p>"}]}],"source":{"discovery":"UNKNOWN"},"x_generator":{"engine":"Vulnogram 1.0.4"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-08-13T14:44:51.445797Z","id":"CVE-2026-16455","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-08-13T14:45:18.394Z"}}]}}}