MEDIUM 6.9 NVD
CVE-2026-67596
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 secret
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.
References
- https://1010.com.hk/
- https://www.vulncheck.com/advisories/csl-1010-m2m-3g-wifi-module-weak-encryption-via-route
- https://www.zeroscience.mk/#/advisories/ZSL-2026-6000
This medium severity vulnerability with a CVSS score of 6.9 was published on 2026-07-30 via NVD.
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