On Barracuda CloudGen WAN Private Edge Gateway devices before 8…
Priority HIGH 67CWE-78Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- High
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-78.
Summary
On Barracuda CloudGen WAN Private Edge Gateway devices before 8 webui-sdwan-1089-8.3.1-174141891, an OS command injection vulnerability exists in /ajax/update_certificate - a crafted HTTP request allows an authenticated attacker to execute arbitrary commands. For example, a name field can contain :password and a password field can contain shell metacharacters.
Why it matters now
Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.07878 94th percentileScored 2026-11-07
Public exploit Yes 2 exploit referencesTagged by NVD
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- No
- 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 |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 14
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:barracuda:t100b_firmware:8.3.1:-:*:*:*:*:*:* | 8.3.1 | Vulnerable | Barracuda |
| cpe:2.3:h:barracuda:t100b:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Barracuda |
| cpe:2.3:o:barracuda:t200c_firmware:8.3.1:-:*:*:*:*:*:* | 8.3.1 | Vulnerable | Barracuda |
| cpe:2.3:h:barracuda:t200c:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Barracuda |
| cpe:2.3:o:barracuda:t400c_firmware:8.3.1:-:*:*:*:*:*:* | 8.3.1 | Vulnerable | Barracuda |
| cpe:2.3:h:barracuda:t400c:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Barracuda |
| cpe:2.3:o:barracuda:t600d_firmware:8.3.1:-:*:*:*:*:*:* | 8.3.1 | Vulnerable | Barracuda |
| cpe:2.3:h:barracuda:t600d:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Barracuda |
| cpe:2.3:o:barracuda:t900b_firmware:8.3.1:-:*:*:*:*:*:* | 8.3.1 | Vulnerable | Barracuda |
| cpe:2.3:h:barracuda:t900b:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Barracuda |
- cpe:2.3:o:barracuda:t100b_firmware:8.3.1:-:*:*:*:*:*:* Versions 8.3.1 Vulnerable ·Barracuda
- cpe:2.3:h:barracuda:t100b:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Barracuda
- cpe:2.3:o:barracuda:t200c_firmware:8.3.1:-:*:*:*:*:*:* Versions 8.3.1 Vulnerable ·Barracuda
- cpe:2.3:h:barracuda:t200c:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Barracuda
- cpe:2.3:o:barracuda:t400c_firmware:8.3.1:-:*:*:*:*:*:* Versions 8.3.1 Vulnerable ·Barracuda
- cpe:2.3:h:barracuda:t400c:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Barracuda
- cpe:2.3:o:barracuda:t600d_firmware:8.3.1:-:*:*:*:*:*:* Versions 8.3.1 Vulnerable ·Barracuda
- cpe:2.3:h:barracuda:t600d:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Barracuda
- cpe:2.3:o:barracuda:t900b_firmware:8.3.1:-:*:*:*:*:*:* Versions 8.3.1 Vulnerable ·Barracuda
- cpe:2.3:h:barracuda:t900b:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Barracuda
Show 4 more CPE
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:barracuda:t93a_firmware:8.3.1:-:*:*:*:*:*:* | 8.3.1 | Vulnerable | Barracuda |
| cpe:2.3:h:barracuda:t93a:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Barracuda |
| cpe:2.3:o:barracuda:t193a_firmware:8.3.1:-:*:*:*:*:*:* | 8.3.1 | Vulnerable | Barracuda |
| cpe:2.3:h:barracuda:t193a:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Barracuda |
- cpe:2.3:o:barracuda:t93a_firmware:8.3.1:-:*:*:*:*:*:* Versions 8.3.1 Vulnerable ·Barracuda
- cpe:2.3:h:barracuda:t93a:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Barracuda
- cpe:2.3:o:barracuda:t193a_firmware:8.3.1:-:*:*:*:*:*:* Versions 8.3.1 Vulnerable ·Barracuda
- cpe:2.3:h:barracuda:t193a:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Barracuda
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2023-26213
- 2026-10-03 Alias added: GHSA-m789-8jxv-f7m3
References
Exploit 2
Sources
- CVE-2023-26213 · CVE Program
- CVE-2023-26213 · NVD
- FIRST EPSS
- GHSA-m789-8jxv-f7m3 · 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