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CVE-2026-49008— Integrity‑check credential leakage vulnerability in an application function of 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，该漏洞源于设备固件中的信息未加密，攻击者可通过访问未加密信息获取与设备特定应用功能完整性验证相关的凭据。

CVSS 6.5 · Medium EPSS 0.30% · P21

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-2026-49008

Vulnerability Information
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Vulnerability Title
Integrity‑check credential leakage vulnerability in an application function of 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 the integrity verification of a specific application function on the device.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/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，该漏洞源于设备固件中的信息未加密，攻击者可通过访问未加密信息获取与设备特定应用功能完整性验证相关的凭据。
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-2026-49008

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III. Intelligence Information for CVE-2026-49008

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Vendor Advisories for CVE-2026-49008 (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-2026-49006 5.3 MEDIUM TLS credential leakage vulnerability in ZTE F689 product
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-2026-49008

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