Backdoors were discovered in Auerswald COMpact 5500R 7.8A and 8.0B devices, that allow…
Priority HIGH 80Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA.
Summary
Backdoors were discovered in Auerswald COMpact 5500R 7.8A and 8.0B devices, that allow attackers with access to the web based management application full administrative access to the device.
Why it matters now
EPSS 0.71979 99th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
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 |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 3
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:auerswald:compact_5500r_firmware:7.8a:build002:*:*:*:*:*:* | 7.8a build002 | Vulnerable | Auerswald |
| cpe:2.3:h:auerswald:compact_5500r:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Auerswald |
| cpe:2.3:o:auerswald:compact_5500r_firmware:8.0b:build000:*:*:*:*:*:* | 8.0b build000 | Vulnerable | Auerswald |
- cpe:2.3:o:auerswald:compact_5500r_firmware:7.8a:build002:*:*:*:*:*:* Versions 7.8a build002 Vulnerable ·Auerswald
- cpe:2.3:h:auerswald:compact_5500r:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Auerswald
- cpe:2.3:o:auerswald:compact_5500r_firmware:8.0b:build000:*:*:*:*:*:* Versions 8.0b build000 Vulnerable ·Auerswald
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2021-40859
- 2026-10-03 Alias added: GHSA-69pv-7jmq-p3xp
References
Sources
- CVE-2021-40859 · CVE Program
- CVE-2021-40859 · NVD
- FIRST EPSS
- GHSA-69pv-7jmq-p3xp · GitHub Advisory Database · CC BY 4.0
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