Tinycontrol LAN Controller 1.58a Authentication Bypass via Admin Password Change
Priority HIGH 81CWE-862Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-862.
Summary
Tinycontrol LAN Controller 1.58a contains an authentication bypass vulnerability that allows unauthenticated attackers to change admin passwords through a crafted API request. Attackers can exploit the /stm.cgi endpoint with a specially crafted authentication parameter to disable access controls and modify administrative credentials.
Why it matters now
Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00698 53rd percentileScored 2026-11-07
Public exploit Yes 2 exploit referencesTagged by the CNA and NVD
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- Yes
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| tinycontrol | LAN Controller | HW 3.8; Unknown – 1.58a | — | No fix listed | CNA |
- LAN Controller Vendortinycontrol Affected HW 3.8; Unknown – 1.58a Fixed in — No fix listed CNA
CPE configurations NVD · 2
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:tinycontrol:lan_controller_firmware:*:*:*:*:*:*:*:* | up to 1.58a | Vulnerable | tinycontrol |
| cpe:2.3:h:tinycontrol:lan_controller:3.8:*:*:*:*:*:*:* | 3.8 | Running on | tinycontrol |
- cpe:2.3:o:tinycontrol:lan_controller_firmware:*:*:*:*:*:*:*:* Versions up to 1.58a Vulnerable ·tinycontrol
- cpe:2.3:h:tinycontrol:lan_controller:3.8:*:*:*:*:*:*:* Versions 3.8 Running on ·tinycontrol
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2023-54327
- 2026-10-03 Alias added: GHSA-hcw3-qjrp-gq57
References
Sources
- CVE-2023-54327 · CVE Program
- CVE-2023-54327 · NVD
- FIRST EPSS
- GHSA-hcw3-qjrp-gq57 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences