Privilege escalation in TP-Link TL-WA855RE
| Risk | Low |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2020-10916 |
| CWE-ID | CWE-264 |
| Exploitation vector | Local network |
| Public exploit | N/A |
| Vulnerable software Subscribe |
TL-WA855RE Hardware solutions / Routers & switches, VoIP, GSM, etc |
| Vendor | TP-Link |
Security Bulletin
This security bulletin contains one low risk vulnerability.
1) Permissions, Privileges, and Access Controls
EUVDB-ID: #VU27462
Risk: Low
CVSSv3.1: 7 [CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2020-10916
CWE-ID:
CWE-264 - Permissions, Privileges, and Access Controls
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to escalate privileges on the system.
The vulnerability exists in "login.json" due to the lack of proper validation on first-time setup requests. A remote authenticated attacker on the local network can reset the password for the Admin account and execute arbitrary code in the context of the device.
MitigationInstall updates from vendor's website.
Vulnerable software versionsTL-WA855RE: before V4_200403
External linkshttp://www.zerodayinitiative.com/advisories/ZDI-20-553/
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote authenticated user via the local network (LAN).
How the attacker can exploit this vulnerability?
The attacker would have to send a specially crafted request to the affected device in order to exploit this vulnerability.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
