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CVE-2026-1816— OTP Bypass in TEİAŞ's Mobile Application

Quick assessment

Affected
Turkiye Electricity Transmission Corporation (TEİAŞ) Mobile Application
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

TEİAŞ Mobile Application是土耳其TEİAŞ公司的一个提供电力传输运营信息查询与业务服务的移动应用程序。 TEİAŞ Mobile Application 1.6.2至1.13之前版本存在安全漏洞，该漏洞源于对过多身份验证尝试的限制不当，可能导致暴力攻击。

CVSS 6.3 · Medium EPSS 0.18% · P8

Affected Version Matrix 1

VendorProduct Version RangeStatus
Turkiye Electricity Transmission Corporation (TEİAŞ) Mobile Application 1.6.2< 1.13 affected
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I. Basic Information for CVE-2026-1816

Vulnerability Information
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Vulnerability Title
OTP Bypass in TEİAŞ's Mobile Application
Source: CVE Program / CVE List V5
Vulnerability Description
Improper restriction of excessive authentication attempts vulnerability in Turkiye Electricity Transmission Corporation (TEİAŞ) Mobile Application allows Brute Force. This issue affects Mobile Application: from 1.6.2 before 1.13.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
过多认证尝试的限制不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
TEİAŞ Mobile Application 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
TEİAŞ Mobile Application是土耳其TEİAŞ公司的一个提供电力传输运营信息查询与业务服务的移动应用程序。 TEİAŞ Mobile Application 1.6.2至1.13之前版本存在安全漏洞，该漏洞源于对过多身份验证尝试的限制不当，可能导致暴力攻击。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Turkiye Electricity Transmission Corporation (TEİAŞ) Mobile Application 1.6.2 ~ 1.13 -

II. Public POCs for CVE-2026-1816

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III. Intelligence Information for CVE-2026-1816

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Vendor Advisories for CVE-2026-1816 (1)

IV. Related Vulnerabilities

Same product: Mobile Application
Same vendor: Turkiye Electricity Transmission Corporation (TEİAŞ)
Same weakness: CWE-307

V. Comments for CVE-2026-1816

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