Totolink N300RT 3.4.0-B20250430 /boafrm/formIpQoS entry_name buffer overflow

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.5$0-$5k0.00

Summaryinfo

A vulnerability was found in Totolink N300RT 3.4.0-B20250430. It has been classified as critical. This impacts an unknown function of the file /boafrm/formIpQoS. The manipulation of the argument entry_name leads to buffer overflow. This vulnerability is traded as CVE-2026-7219. It is possible to initiate the attack remotely. Furthermore, there is an exploit available.

Detailsinfo

A vulnerability was found in Totolink N300RT 3.4.0-B20250430. It has been rated as critical. This issue affects an unknown code block of the file /boafrm/formIpQoS. The manipulation of the argument entry_name with an unknown input leads to a buffer overflow vulnerability. Using CWE to declare the problem leads to 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. Impacted is confidentiality, integrity, and availability.

It is possible to read the advisory at github.com. The identification of this vulnerability is CVE-2026-7219. The exploitation is known to be easy. The attack may be initiated remotely. Additional levels of successful authentication are needed for exploitation. Technical details as well as a public exploit are known.

The exploit is available at github.com. It is declared as proof-of-concept.

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

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

Productinfo

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.2
VulDB Meta Temp Score: 6.5

VulDB Base Score: 7.2
VulDB Temp Score: 6.5
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: 🔒
Access: Public
Status: Proof-of-Concept
Download: 🔒

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

04/27/2026 Advisory disclosed
04/27/2026 +0 days VulDB entry created
04/27/2026 +0 days VulDB entry last update

Sourcesinfo

Vendor: totolink.net

Advisory: github.com
Status: Not defined

CVE: CVE-2026-7219 (🔒)
GCVE (CVE): GCVE-0-2026-7219
GCVE (VulDB): GCVE-100-359819
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 04/27/2026 17:34
Changes: 04/27/2026 17:34 (55)
Complete: 🔍
Submitter: xyhackr
Cache ID: 216::103

Submitinfo

Accepted

  • Submit #808194: TOTOLINK N300RT Router V3.4.0-B20250430 Buffer Overflow (by xyhackr)

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

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