CVE-2026-865109.9CriticalCWE-787
CVE-2026-86510: D-Link DIR-822A L2TP Control Message tunnel_set_params out-of-bounds write
D-Link · DIR-822A
No fix listed · Affected: D-Link DIR-822A · 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
0.8%probability of exploitation in the next 30 days
58th percentile
050100
Higher than 58% of scored CVEs
9.9CriticalCVSS 4.0
LowMediumHighCrit.
DescriptionNVD
A vulnerability has been found in D-Link DIR-822A A_101. Affected is the function tunnel_set_params of the component L2TP Control Message Parser. Such manipulation leads to out-of-bounds write. The attack can be launched remotely. The exploit has been disclosed to the public and may be used.
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
- D-Link
- Published
- September 2026
Coverage1 article · 1 outlet
First in our coverage: SecurityOnline, 22 Sep.
- D-Link Routers Exposed to Critical DHCP and L2TP AttacksSecurityOnline · first in our coverage · mentions it in passing
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