Sagemcom F@st 3686 MAGYAR 4.121.0 Internet Printing Protocol buffer overflow

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.3$0-$5k0.00

Summaryinfo

A vulnerability identified as critical has been detected in Sagemcom F@st 3686 MAGYAR 4.121.0. This issue affects some unknown processing of the component Internet Printing Protocol. This manipulation causes buffer overflow. This vulnerability is handled as CVE-2025-29329. The attack can be initiated remotely. There is not any exploit available.

Detailsinfo

A vulnerability was found in Sagemcom F@st 3686 MAGYAR 4.121.0. It has been declared as critical. Affected by this vulnerability is some unknown functionality of the component Internet Printing Protocol. The manipulation with an unknown input leads to a buffer overflow vulnerability. The CWE definition for the vulnerability is CWE-120. The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

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.

This vulnerability is known as CVE-2025-29329 since 03/11/2025. The exploitation appears to be easy. The attack can be launched remotely. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 01/13/2026).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2025-206276). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 6.3

VulDB Base Score: 6.3
VulDB Temp Score: 6.3
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Buffer overflow
CWE: CWE-120 / CWE-119
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

03/11/2025 CVE reserved
01/13/2026 +308 days Advisory disclosed
01/13/2026 +0 days VulDB entry created
01/13/2026 +0 days VulDB entry last update

Sourcesinfo

Status: Not defined

CVE: CVE-2025-29329 (🔒)
GCVE (CVE): GCVE-0-2025-29329
GCVE (VulDB): GCVE-100-340531
EUVD: 🔒

Entryinfo

Created: 01/13/2026 08:34
Updated: 01/13/2026 15:31
Changes: 01/13/2026 08:34 (52), 01/13/2026 15:31 (1)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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