CVE-2018-7921

MEDIUM

Huawei B315s-22 <21.318.01.00.26 - Info Disclosure

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2018-7921. PoCs published by Usman Saeed.

AI-analyzed exploit summary This exploit demonstrates unauthenticated access to sensitive configuration files and token generation in Huawei B315s-22 routers. It leverages improper access controls to retrieve sensitive data and generate valid session tokens without authentication.

Description

Huawei B315s-22 products with software of 21.318.01.00.26 have an information leak vulnerability. Unauthenticated adjacent attackers may exploit this vulnerability to obtain device information.

Exploits (1)

exploitdb WORKING POC
by Usman Saeed · textwebappshardware
https://www.exploit-db.com/exploits/45971

This exploit demonstrates unauthenticated access to sensitive configuration files and token generation in Huawei B315s-22 routers. It leverages improper access controls to retrieve sensitive data and generate valid session tokens without authentication.

Classification
Working Poc 90%
Attack Type
Info Leak | Auth Bypass
Complexity
Trivial
Reliability
Reliable
Target: Huawei B315s-22 LTE router, firmware version 21.318.01.00.26
No auth needed
Prerequisites: Network access to the router's web interface
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (2)

Core 2
Core References
Exploit, Third Party Advisory exploit x_refsource_exploit-db
https://www.exploit-db.com/exploits/45971/

Scores

CVSS v3 6.5
EPSS 0.1322
EPSS Percentile 95.9%
Attack Vector ADJACENT_NETWORK
CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Details

CWE
CWE-200
Status published
Products (1)
huawei/b315s-22_firmware 21.318.01.00.26
Published Sep 12, 2018
Tracked Since Feb 18, 2026