CVE-2026-861319.2CriticalCWE-295
CVE-2026-86131: Fireware OS Code Injection in BOVPN Over TLS Client Allows Remote Code Execution
WatchGuard · Fireware OS
Vendor fix available · Affected: WatchGuard Fireware OS · Exploitation: not established
ExploitationNot established
Not in CISA KEV as of catalogue 2026.11.13 (13 Nov)
- In CISA KEV: not seen
- Exploited (reported): not seen
- Scanning observed: not seen
- Proof of concept public: not seen
- Not establishedNothing in the sources we check
0.5%probability of exploitation in the next 30 days
41st percentile
050100
Higher than 41% of scored CVEs
9.2CriticalCVSS 4.0
LowMediumHighCrit.
DescriptionNVD
A code injection vulnerability in WatchGuard Fireware OS's BOVPN Over TLS client configuration handling allows an attacker who controls the remote VPN server to execute arbitrary commands as root on the connecting Firebox.
On the Atlas
Every published CVE is on the CyberSIXT Atlas, grouped by weakness, vendor and month.
- Exploitation
- Unlikely (under 1%). EPSS under 1%, or no score yet.
- CISA KEV
- Not listed
- Public check
- No public nuclei template
- Vendor
- WatchGuard
- Published
- September 2026
Coverage3 articles · 3 outlets
One row per outlet, in order of first report. First in our coverage: SecurityOnline, 30 Sep.
Quiet for 7 weekslast report 30 Sep3 articles3 outlets
- Wed 30 Sep, 03:01 UTC. SecurityOnline, first report. WatchGuard Patches Firebox Flaws Enabling Unauthenticated Remote Code Execution.
- Wed 30 Sep, 13:51 UTC. SecurityWeek, its first report on the story. WatchGuard Patches Critical Firebox Flaw Enabling Root RCE.
- Wed 30 Sep, 20:24 UTC. Security Affairs, its first report on the story. WatchGuard Patches Firebox Flaw That Grants Attackers Root Access.
- First report
- Article
- Running total
Show as tableHide table
| Published (UTC) | Outlet | Headline |
|---|---|---|
| 30 Sep 03:01 | SecurityOnline | WatchGuard Patches Firebox Flaws Enabling Unauthenticated Remote Code Execution |
| 30 Sep 13:51 | SecurityWeek | WatchGuard Patches Critical Firebox Flaw Enabling Root RCE |
| 30 Sep 20:24 | Security Affairs | WatchGuard Patches Firebox Flaw That Grants Attackers Root Access |
- WatchGuard Patches Firebox Flaws Enabling Unauthenticated Remote Code ExecutionSecurityOnline · first in our coverage
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