Secuno
ENNL
Book demo

CVE-2025-29329

Sagemcom F@st 3686 Firmware remote code execution

9.8 CRITICALPublic exploitEPSS 0.98%
  1. Published12 Jan 2026

Description

Buffer Overflow in the ippprint (Internet Printing Protocol) service in Sagemcom F@st 3686 MAGYAR_4.121.0 allows remote attacker to execute arbitrary code by sending a crafted HTTP request.

CVSS 3.1 breakdown

Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionNone
ScopeUnchanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

Sagemcom F@st 3686 Firmware4.121.0

Remediation

No fixed version is recorded in the NVD data. Check the vendor advisory for the latest guidance.

References

Related CVEs

Recent high-severity vulnerabilities sharing a weakness type.

CVE-2026-1089159.9
A vulnerability has been found in Edimax BR-6208AC 1.32. This affects an unknown part…
CVE-2026-1089149.9
A flaw has been found in Edimax BR-6208AC 1.32. Affected by this issue is some unknown…
CVE-2026-153409.8
lwIP SMTP client does not check the size of inputs, potentially allowing a buffer…
CVE-2026-195708.8
The LE Audio Broadcast Sink in subsys/bluetooth/audio/bap_broadcast_sink.c copies…
CVE-2026-842468.1
IBM Guardium Data Protection 12.0, 12.1, and 12.2 could allow a remote attacker to…
CVE-2026-841988.1
IBM Guardium Data Protection 12.0, 12.1, and 12.2 could allow a remote attacker to…

Frequently asked

Is CVE-2025-29329 being actively exploited?

CVE-2025-29329 is not in the CISA KEV catalog. A public exploit reference exists, so treat it as exploitable. Its EPSS exploit probability is 0.98%.

How severe is CVE-2025-29329?

CVE-2025-29329 has a CVSS 3.1 base score of 9.8, rated critical. EPSS estimates a 0.98% probability of exploitation.

Which products are affected by CVE-2025-29329?

Affected products include Sagemcom F@st 3686 Firmware.

How do I fix CVE-2025-29329?

Apply the vendor's patch or advisory guidance, then verify no affected versions remain across your devices.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2025-29329 against the real software inventory on every managed device, every day. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

See how prioritisation worksBook a demo

Get Patch this first every Monday

Five vulnerabilities that matter this week, ranked on real exploitation. Plain language, one email, no spam.

You can unsubscribe with one click from every issue. We handle your details as described in our privacy policy.

Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.