{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-67596","assignerOrgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","state":"PUBLISHED","assignerShortName":"VulnCheck","dateReserved":"2026-07-29T21:07:39.201Z","datePublished":"2026-07-30T14:59:37.474Z","dateUpdated":"2026-07-31T11:54:12.311Z"},"containers":{"cna":{"providerMetadata":{"orgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","shortName":"VulnCheck","dateUpdated":"2026-07-31T11:54:12.311Z"},"title":"CSL 1010 M2M 3G WiFi Module 2.2.1.4 Weak Encryption via Router.cfg","descriptions":[{"lang":"en","value":"CSL 1010 M2M 3G WiFi Module firmware through 2.2.1.4 contains a weak encryption vulnerability that allows unauthenticated attackers to recover all stored secrets in plaintext by reversing a single-byte XOR cipher that uses a static key to obfuscate the configuration backup file. Attackers can trivially decrypt the Router.cfg backup file to expose web administration and telnet passwords, WPA/WPA2 pre-shared keys, PPPoE and 3G/APN credentials, and SIM identifiers including IMSI and IMEI."}],"datePublic":"2026-07-30T00:00:00.000Z","problemTypes":[{"descriptions":[{"lang":"en","cweId":"CWE-261","description":"Weak Encoding for Password","type":"CWE"}]}],"affected":[{"defaultStatus":"affected","vendor":"CSL Mobile Limited","product":"CSL 1010 M2M 3G WiFi Module","versions":[{"status":"affected","version":"0","versionType":"custom","lessThanOrEqual":"2.2.1.4"}]}],"metrics":[{"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}],"cvssV4_0":{"attackVector":"LOCAL","attackComplexity":"LOW","attackRequirements":"NONE","privilegesRequired":"NONE","userInteraction":"NONE","vulnConfidentialityImpact":"HIGH","subConfidentialityImpact":"NONE","vulnIntegrityImpact":"NONE","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:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N"}},{"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}],"cvssV3_1":{"attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"NONE","availabilityImpact":"NONE","version":"3.1","baseSeverity":"MEDIUM","baseScore":6.2,"vectorString":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N"}}],"references":[{"url":"https://www.zeroscience.mk/#/advisories/ZSL-2026-6000","name":"Zero Science Lab Advisory (ZSL-2026-6000)"},{"url":"https://1010.com.hk/","name":"Vendor Homepage","tags":["product"]},{"url":"https://www.vulncheck.com/advisories/csl-1010-m2m-3g-wifi-module-weak-encryption-via-router-cfg","tags":["third-party-advisory"]}],"credits":[{"lang":"en","value":"Gjoko Krstic of Zero Science Lab","type":"finder"}],"source":{"discovery":"UNKNOWN"},"x_generator":{"engine":"vulncheck"}},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-07-30T17:28:00.802110Z","id":"CVE-2026-67596","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-07-30T17:36:47.528Z"}}]}}