Authorization Bypass in ZTE ADSL Modems
CVE-2015-7257

7.5HIGH

Key Information:

Vendor

Zte

Status
Zxv10 W300 Firmware
Vendor
CVE Published:
24 August 2017

Badges

👾 Exploit Exists🟣 EPSS 16%

What is CVE-2015-7257?

ZTE ADSL ZXV10 W300 modems exhibit an authorization bypass vulnerability that allows remote authenticated non-administrator users to manipulate the admin password. By intercepting the outgoing password change request, an attacker can alter the username parameter from 'support' to 'admin', thereby gaining unauthorized access. This flaw emphasizes the need for secure handling of privileged access requests and effective user authentication methods to prevent unauthorized modifications.

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References

https://www.exploit-db.com/exploits/38772/
exploitx_refsource_EXPLOIT-DB
http://seclists.org/fulldisclosure/2015/Nov/48
mailing-listx_refsource_FULLDISC
http://packetstormsecurity.com/files/134493/ZTE-ADSL-ZXV1...
x_refsource_MISC

EPSS Score

16% chance of being exploited in the next 30 days.

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
High
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

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