CVE-2020-10883 json
This vulnerability allows local attackers to escalate privileges on affected installations of TP-Link Archer A7 Firmware Ver: 190726 AC1750…
published 2020-03-25 6 y ago modified 2026-06-17 4 mo ago also EUVD-2020-3289
- cvss
- 5.3
- version 3.0, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 5.3%
- EPSS 5.3% chance of exploitation in 30 days, percentile 92%
- public exploits
- 2
- Metasploit, Exploit-DB
Summary
This vulnerability allows local attackers to escalate privileges on affected installations of TP-Link Archer A7 Firmware Ver: 190726 AC1750 routers. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability. The specific flaw exists within the file system. The issue lies in the lack of proper permissions set on the file system. An attacker can leverage this vulnerability to escalate privileges. Was ZDI-CAN-9651.
Timeline
- First public exploit (Metasploit exploit/linux/misc/tplink_archer_a7_c7_lan_rce)
- Published
Exploit prediction
5.27% chance of exploitation in the next 30 days, higher than 92% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- Metasploit exploit/linux/misc/tplink_archer_a7_c7_lan_rce TP-Link Archer A7/C7 Unauthenticated LAN Remote Code Execution metasploit exploit, excellent rank, 2020-03-25
- EDB-48331 TP-Link Archer A7/C7 - Unauthenticated LAN Remote Code Execution (Metasploit) remote, 2020-04-16
- packetstormsecurity.com http://packetstormsecurity.com/files/157255/TP-Link-Archer-A7-C7-Unauthenticated-LAN-Remote-Code-Execution.html referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.0 | 5.3 | CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L |
| NVD | 3.1 | 7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 4.6 | AV:L/AC:L/Au:N/C:P/I:P/A:P |
Affected products
- TP-Link Archer A7
Classification
- Weakness
-
- CWE-732 Incorrect Permission Assignment for Critical Resource
References
-
packetstormsecurity.com
/files/157255/TP-Link-Archer-A7-C7-Unauthenticated-LAN-Remote-Code-Execution.html
exploit, third-party-advisory, vdb-entry
-
zerodayinitiative.com
/advisories/ZDI-20-335/
third-party-advisory, vdb-entry
Sources
- CVE List CVE-2020-10883
- NVD CVE-2020-10883
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.