VDB-349789 · CVE-2026-3822 · EUVD-2026-10294

Taipower App up to 3.4.4 HTTPS Connection certificate validation

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.
5.0	$0-$5k	0.00

Summaryinfo

A vulnerability classified as critical has been found in Taipower App up to 3.4.4. Affected by this vulnerability is an unknown functionality of the component HTTPS Connection Handler. This manipulation causes certificate validation. The identification of this vulnerability is CVE-2026-3822. It is possible to initiate the attack remotely. There is no exploit available.

Detailsinfo

A vulnerability has been found in Taipower App up to 3.4.4 and classified as problematic. Affected by this vulnerability is some unknown processing of the component HTTPS Connection Handler. The manipulation with an unknown input leads to a certificate validation vulnerability. The CWE definition for the vulnerability is CWE-295. The product does not validate, or incorrectly validates, a certificate. As an impact it is known to affect integrity. The summary by CVE is:

Taipower APP for Andorid developed by Taipower has an Improper Certificate Validation vulnerability. When establishing an HTTPS connection with the server, the application fails to verify the server-side TLS/SSL certificate. This flaw allows an unauthenticated remote attackers to exploit the vulnerability to perform a Man-in-the-Middle (MITM) attack to read and tamper with network packets.

The advisory is shared at twcert.org.tw. This vulnerability is known as CVE-2026-3822 since 03/09/2026. The exploitation appears to be difficult. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 03/12/2026). MITRE ATT&CK project uses the attack technique T1587.003 for this issue.

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-2026-10294). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Name

Taipower App

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 5.0
VulDB Meta Temp Score: 5.0

VulDB Base Score: 3.7
VulDB Temp Score: 3.7
VulDB Vector: 🔒
VulDB Reliability: 🔍

NVD Base Score: 4.8
NVD Vector: 🔒

CNA Base Score: 6.5
CNA Vector (twcert): 🔒

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: Certificate validation
CWE: CWE-295 / CWE-287
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

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: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

03/09/2026 Advisory disclosed
03/09/2026 +0 days CVE reserved
03/09/2026 +0 days VulDB entry created
03/12/2026 +3 days VulDB entry last update

Sourcesinfo

Advisory: twcert.org.tw
Status: Not defined

CVE: CVE-2026-3822 (🔒)
GCVE (CVE): GCVE-0-2026-3822
GCVE (VulDB): GCVE-100-349789
EUVD: 🔒

Entryinfo

Created: 03/09/2026 07:52
Updated: 03/12/2026 20:39
Changes: 03/09/2026 07:52 (73), 03/09/2026 11:59 (1), 03/12/2026 20:39 (13)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.