Improper authentication in Advantech B+B SmartWorx MESR901
Priority MEDIUM 47CWE-603Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.0 · NVD. Fix status from CNA. Impact type from CWE-287.
Summary
A Use of Client-Side Authentication issue was discovered in Advantech B+B SmartWorx MESR901 firmware versions 1.5.2 and prior. The web interface uses JavaScript to check client authentication and redirect unauthorized users. Attackers may intercept requests and bypass authentication to access restricted web pages.
Why it matters now
EPSS 0.02616 85th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | Advantech B+B SmartWorx MESR901 | Advantech B+B SmartWorx MESR901 | — | No fix listed | CNA |
- Advantech B+B SmartWorx MESR901 Vendor— Affected Advantech B+B SmartWorx MESR901 Fixed in — No fix listed CNA
CPE configurations NVD · 2
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:advantech_b\+b_smartworx:mesr901_firmware:*:*:*:*:*:*:*:* | up to 1.5.2 | Vulnerable | Advantech B+b Smartworx |
| cpe:2.3:h:advantech_b\+b_smartworx:mesr901:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Advantech B+b Smartworx |
- cpe:2.3:o:advantech_b\+b_smartworx:mesr901_firmware:*:*:*:*:*:*:*:* Versions up to 1.5.2 Vulnerable ·Advantech B+b Smartworx
- cpe:2.3:h:advantech_b\+b_smartworx:mesr901:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Advantech B+b Smartworx
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2017-7909
- 2026-10-03 Alias added: GHSA-63p9-9p5p-v46f
References
Sources
- CVE-2017-7909 · CVE Program
- CVE-2017-7909 · NVD
- FIRST EPSS
- GHSA-63p9-9p5p-v46f · 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