9.9Critical
CVE-2026-86299
A vulnerability was detected in Linksys RE7000 2.0.15. This affects the function platform_event_pingTest of the file /cgi-bin/json.cgi?PingTest of the component PingTest Handler. The manipulation of the argument pingTestIp/pingTestPktSize/pingTestTimes results in os command injection. The attack can be launched remotely. The exploit is now public and may be used.
What this means for your business
- An attacker can use it remotely, over a network, with an ordinary user login, and without anyone at your company clicking anything.
- FIRST's prediction model gives it a 2% chance of attack attempts being seen in the next 30 days, ranking above 79% of all known flaws.
What to do
- 1Ask your IT team or provider whether any of your systems use the affected product.
- 2If you do, follow the vendor's guidance. No patch reference has been published yet.
Not sure if your company is exposed?
Fastnexa’s certified penetration testers can check whether attackers could use this flaw, or others like it, against your websites, apps and network. The full test is free for our first 10 founding clients until 31 December 2026.
Scoring
- CVSS
- 9.9 (v3.1)
- Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H- CVSS v4
- 8.6
- Weakness
- CWE-77
- Assigned by
- cna@vuldb.com
Dates
- Published
- 2026-09-07
- Last modified
- 2026-09-11
- Sources
- NVD