CSL Mobile Limited CSL 1010 M2M 3G WiFi Module up to 2.2.1.4 Router.cfg inadequate encryption

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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3.7$0-$5k1.29+

Summaryinfo

A vulnerability classified as problematic has been found in CSL Mobile Limited CSL 1010 M2M 3G WiFi Module up to 2.2.1.4. Affected is an unknown function of the file Router.cfg. The manipulation leads to inadequate encryption. This vulnerability is referenced as CVE-2026-67596. Remote exploitation of the attack is possible. No exploit is available.

Detailsinfo

A vulnerability was found in CSL Mobile Limited CSL 1010 M2M 3G WiFi Module up to 2.2.1.4 and classified as problematic. This issue affects some unknown processing of the file Router.cfg. The manipulation with an unknown input leads to a inadequate encryption vulnerability. Using CWE to declare the problem leads to CWE-326. The product stores or transmits sensitive data using an encryption scheme that is theoretically sound, but is not strong enough for the level of protection required. Impacted is confidentiality. The summary by CVE is:

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 with a static key applied to 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.

The advisory is shared at zeroscience.mk. The identification of this vulnerability is CVE-2026-67596 since 07/29/2026. The exploitation is known to be difficult. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details are known, but no exploit is available. MITRE ATT&CK project uses the attack technique T1600 for this issue.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

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Productinfo

Type

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 3.7
VulDB Meta Temp Score: 3.7

VulDB Base Score: 3.7
VulDB Temp Score: 3.7
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Inadequate encryption
CWE: CWE-326 / CWE-310
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

07/29/2026 CVE reserved
07/30/2026 +1 days Advisory disclosed
07/30/2026 +0 days VulDB entry created
07/30/2026 +0 days VulDB entry last update

Sourcesinfo

Advisory: zeroscience.mk
Status: Not defined

CVE: CVE-2026-67596 (🔒)
GCVE (CVE): GCVE-0-2026-67596
GCVE (VulDB): GCVE-100-384845

Entryinfo

Created: 07/30/2026 17:47
Changes: 07/30/2026 17:47 (53)
Complete: 🔍
Cache ID: 216::103

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