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CVE-2026-49006— TLS credential leakage vulnerability in ZTE F689 product

Quick assessment

Affected
ZTE F689
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.

ZTE F689是中国ZTE公司的一款调制解调器设备。 ZTE F689存在加密问题漏洞，该漏洞源于访问设备固件中的未加密信息，可能导致攻击者获取与TLS传输相关的凭据。

CVSS 5.3 · Medium EPSS 0.25% · P15

Possible ATT&CK Techniques 1 AI

T1530 · Data from Cloud Storage

Affected Version Matrix 1

VendorProduct Version RangeStatus
ZTE F689 ZXHN F680V9.0.10P6N1,ZXHN F680V9.0.10P4N4,ZXHN F680V9.0.10P4N5,ZXHN F680V9.0.10P4N9,ZXHN F680V9.0.10 affected
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I. Basic Information for CVE-2026-49006

Vulnerability Information
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Vulnerability Title
TLS credential leakage vulnerability in ZTE F689 product
Source: CVE Program / CVE List V5
Vulnerability Description
By accessing unencrypted information in the device firmware, an attacker can obtain credentials related to TLS transmission.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
使用硬编码的密码学密钥
Source: CVE Program / CVE List V5
Vulnerability Title
ZTE F689 加密问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
ZTE F689是中国ZTE公司的一款调制解调器设备。 ZTE F689存在加密问题漏洞，该漏洞源于访问设备固件中的未加密信息，可能导致攻击者获取与TLS传输相关的凭据。
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
ZTE F689 ZXHN F680V9.0.10P6N1,ZXHN F680V9.0.10P4N4,ZXHN F680V9.0.10P4N5,ZXHN F680V9.0.10P4N9,ZXHN F680V9.0.10P4N10,ZXHN F680V9.0.10P1N12,ZXHN F680V9.0.10P1N13 -

II. Public POCs for CVE-2026-49006

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III. Intelligence Information for CVE-2026-49006

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Vendor Advisories for CVE-2026-49006 (1)

Same Patch Batch · ZTE · 2026-08-07 · 4 CVEs total

CVE-2026-49007 7.5 HIGH Information leakage vulnerability in ZTE F689 product
CVE-2026-49008 6.5 MEDIUM Integrity‑check credential leakage vulnerability in an application function of ZTE F689 pr
CVE-2026-49005 2.4 LOW Root password hash exposure vulnerability in ZTE F689 product

IV. Related Vulnerabilities

Same product: F689
Same vendor: ZTE
Same weakness: CWE-321

V. Comments for CVE-2026-49006

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