Threats / NETGEAR / CVE-2017-6862
CVE-2017-6862
· EUVD no mirror located
· GCVE no mirror located
Verified 2026-06-22
NETGEAR Multiple Devices vulnerability
Multiple NETGEAR devices contain a buffer overflow vulnerability enabling authentication bypass and remote code execution on affected systems.
Verdict
Today item — known-exploited.
A buffer overflow in NETGEAR devices allows unauthenticated attackers to execute arbitrary code by bypassing authentication mechanisms. The vulnerability has been exploited in the wild and poses significant risk to deployed devices.
01
Is it exploitable?
— the evidence, ranked above the scoreReported exploitation
4 independent public reports of in-the-wild exploitation are cataloged.Distinct reporting sources (vendor, incident response, government); open them for the underlying claims.
Exploited in the wild
Listed in the CISA Known Exploited Vulnerabilities catalog (added 2022-06-08).
Probability (EPSS)
EPSS 0.42696 — modeled likelihood of exploitation activity.EPSS is a daily-changing model output — open the source for today's value.
Severity / affected
Affected: NETGEAR, Multiple Devices. Confirm exact fixed builds in the vendor advisory.
Weakness (CWE)
Mapped to CWE-119 Memory Buffer Bounds Error — weakness family: Memory safety.CWE assignment from the public NVD record; the weakness class drives how the flaw is exploited.
02
Who’s exploiting it?
— attribution turns risk into urgencyAttribution not established
No confirmed (advisory-backed) threat-actor attribution is established for this record. Absence of a named actor is not absence of compromise — see Coverage & confidence.
03
Why it matters
— the attack path, told twice: adversary, then board1
Front door — unauthenticated access narrative 1
Attacker
I craft a malicious input that overflows a buffer in the device firmware to bypass authentication checks.
Business
Attackers gain unauthorized access to device management interfaces without valid credentials.
2
Keys to the kingdom — privilege/identity takeover narrative 2
Attacker
I leverage the authentication bypass to inject and execute arbitrary code with device privileges.
Business
Compromised devices become fully controlled by attackers, enabling data exfiltration, network pivoting, or service disruption.
3
Lateral reach — past segmentation narrative 3
Attacker
I establish persistence on the device to maintain long-term access across reboots.
Business
Organizations face prolonged exposure with attackers potentially maintaining presence in network infrastructure.
04
What to do
— defensible action- Remediate per the vendor advisory — confirm the fixed build for your version and verify exposure.1
Say it to the boardA vulnerability with this evidence profile is a defensible budget line, not a backlog ticket — fund the change against the proof above.
05