Patchfirst
CVE-2026-33792 Critical · 9.8 EPSS 0.6%

A Stack-based Buffer Overflow vulnerability in the srxpfe process of Juniper Networks Junos OS on SRX Series allows an…

Juniper Networks · Junos OS

Summary

A stack-based buffer overflow in the srxpfe process of Juniper Networks Junos OS on SRX Series devices is the flaw. It is located in the packet-forwarding component of the SRX firewall platform. An unauthenticated attacker on the network can send a crafted packet received over a configured GRE tunnel to execute code as root or trigger a denial of service, with no user interaction required.

Official description · NVD

A Stack-based Buffer Overflow vulnerability in the srxpfe process of Juniper Networks Junos OS on SRX Series allows an unauthenticated network attacker to execute code as root or cause a denial of service via a crafted packet received on a configured GRE tunnel.

Breakdown
18.9 / 100
Exploited
Not confirmed
Reports
0
Tactics
0/15

Disclosed on 14 Oct 2026. No public exploit code or confirmed exploitation is recorded.

techniques

No techniques linked

No ATT&CK techniques are linked to this CVE yet. MITRE CTID has not mapped it, and no report passage in the corpus ties it to a technique.

What security researchers reported

Not named in any threat report yet

Also mentioned in 8 community threat pulses (AlienVault OTX)

Weaker evidence

Pulses are indicator collections that anyone can publish. A mention is not confirmation of exploitation.

References

1 link, grouped by NVD tag
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