C22/100
Vulnerability · high
D-Link Warns of Unpatched Zero-Days in DGS-3130 Switches
Tier C · Keep an eye on it – Check if you’re affected
Who’s exposed: Users of D-Link DGS-3130 Series managed Gigabit stackable switches
Tier C because: Hits tech teams
Reach
Attack
Damage
Fix
No fix yet
The Brief
- D-Link warned of multiple zero-day vulnerabilities in its DGS-3130 Series managed Gigabit stackable switches.
- The flaws are unpatched, and D-Link has shared mitigation measures instead of a fix.
- BleepingComputer reported the warning on 2026-11-06.
Why it matters
Administrators running DGS-3130 Series switches have no vendor patch for these flaws yet, so they depend on D-Link's mitigations to reduce exposure until a fix ships.
The checklist behind the tier
Checklist · 2 of 10 yes
| Yes | Hits tech teams | Judgment: DGS-3130 are managed enterprise network switches, which IT teams run and are responsible for. |
| No | Core infrastructure | Judgment: a single vendor's switch line is not core infrastructure like OpenSSH or the Linux kernel. |
| No | Popular tool | Judgment: a vendor-specific enterprise switch series is not a widely used framework or tool across many teams. |
| No | Exploited in the wild | BleepingComputer: article reports unpatched flaws and mitigations only; no observed attacks mentioned. |
| No | Public exploit | BleepingComputer: source describes D-Link mitigation measures; no published exploit or PoC mentioned. |
| No | Remote, no login | BleepingComputer: source does not state the flaws are reachable remotely without credentials. |
| No | Full takeover | BleepingComputer: source does not state the flaws lead to code execution or admin takeover. |
| No | Secrets exposed | BleepingComputer: source reports no stolen credentials, configs or data exposure. |
| No | Supply chain | BleepingComputer: source reports flaws in the product, not malicious code shipped through a trusted channel. |
| Yes | No fix yet | BleepingComputer: D-Link warns of multiple unpatched zero-day flaws in DGS-3130 switches. |
Timeline
D-Link warns of multiple unpatched zero-days in DGS-3130 Series switches and shares mitigations
BleepingComputer
D-Link warns of multiple zero-days in DGS-3130 Series switches
Source
D-Link warns of multiple zero-days in DGS-3130 Series switches ↗ BleepingComputer · 2h ago
First seen · 1 source · Full story page · How tiers are decided