Hardcoded credentials in Kaden PICOFLUX AiR
Priority LOW 29CWE-798Published · Updated
Key facts
- Attack vector
- Adjacent network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- High · None · None
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-798.
Summary
In the Kaden PICOFLUX AiR water meter an adversary can read the values through wireless M-Bus mode 5 with a hardcoded shared key while being adjacent to the device.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00297 22nd percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
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 |
|---|---|---|---|---|---|
| Kaden | PICOFLUX AiR | all and later | — | No fix listed | CNA |
- PICOFLUX AiR VendorKaden Affected all and later Fixed in — No fix listed CNA
CPE configurations NVD · 2
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:kadenvodomery:picoflux_air_firmware:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | Kadenvodomery |
| cpe:2.3:h:kadenvodomery:picoflux_air:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Kadenvodomery |
- cpe:2.3:o:kadenvodomery:picoflux_air_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Kadenvodomery
- cpe:2.3:h:kadenvodomery:picoflux_air:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Kadenvodomery
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2021-34577
- 2026-10-03 Alias added: GHSA-q3wx-xp39-27ph
References
More Kadenvodomery Picoflux Air Firmware vulnerabilities
- TI-2021-13594 Observable discrepancy in Kaden PICOFLUX AiR leaks water consumption CVSS 3.1MEDIUM 4.3
Sources
- CVE-2021-34577 · CVE Program
- CVE-2021-34577 · NVD
- FIRST EPSS
- GHSA-q3wx-xp39-27ph · 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