VDB-360783 · CVE-2026-30363 · Issue 4332

flipperdevices flipperzero-firmware ad2a80 Main stack-based overflow

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
5.3	$0-$5k	0.00

Summaryinfo

A vulnerability has been found in flipperdevices flipperzero-firmware ad2a80 and classified as critical. Impacted is the function Main. Performing a manipulation results in stack-based overflow. This vulnerability was named CVE-2026-30363. There is no available exploit. It is recommended to apply a patch to fix this issue.

Detailsinfo

A vulnerability classified as critical has been found in flipperdevices flipperzero-firmware ad2a80. This affects the function Main. The manipulation with an unknown input leads to a stack-based overflow vulnerability. CWE is classifying the issue as CWE-121. A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function). This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

flipperzero-firmware commit ad2a80 was discovered to contain a stack overflow in the "Main" function.

It is possible to read the advisory at github.com. This vulnerability is uniquely identified as CVE-2026-30363 since 03/04/2026. The exploitability is told to be easy. Technical details of the vulnerability are known, but there is no available exploit.

Applying a patch is able to eliminate this problem.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2026-26705). Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

Firmware Software

Vendor

flipperdevices

Name

flipperzero-firmware

Version

ad2a80

Website

Product: https://github.com/flipperdevices/flipperzero-firmware/

CPE 2.3info

🔒

CPE 2.2info

🔒

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.5
VulDB Meta Temp Score: 5.3

VulDB Base Score: 5.5
VulDB Temp Score: 5.3
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

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

Exploitinginfo

Class: Stack-based overflow
CWE: CWE-121 / CWE-119
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Partially

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔒

Timelineinfo

03/04/2026 CVE reserved
05/01/2026 +57 days Advisory disclosed
05/01/2026 +0 days VulDB entry created
05/02/2026 +0 days VulDB entry last update

Sourcesinfo

Product: github.com

Advisory: 4332
Status: Confirmed

CVE: CVE-2026-30363 (🔒)
GCVE (CVE): GCVE-0-2026-30363
GCVE (VulDB): GCVE-100-360783
EUVD: 🔒

Entryinfo

Created: 05/01/2026 21:52
Updated: 05/02/2026 00:10
Changes: 05/01/2026 21:52 (56), 05/02/2026 00:10 (1)
Complete: 🔍
Cache ID: 216::103