CVE-2017-11519 json
passwd_recovery.lua on the TP-Link Archer C9(UN)_V2_160517 allows an attacker to reset the admin password by leveraging a predictable rando…
published 2017-07-21 9 y ago modified 2026-06-17 4 mo ago also EUVD-2017-3135
- cvss
- 9.8
- version 3.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 3.1%
- EPSS 3.1% chance of exploitation in 30 days, percentile 87%
- public exploits
- 0
- none known
Summary
passwd_recovery.lua on the TP-Link Archer C9(UN)_V2_160517 allows an attacker to reset the admin password by leveraging a predictable random number generator seed. This is fixed in C9(UN)_V2_170511.
Exploit prediction
3.05% chance of exploitation in the next 30 days, higher than 87% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- devcraft.io https://devcraft.io/posts/2017/07/21/tp-link-archer-c9-admin-password-reset.html referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.0 | 9.8 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 5.0 | AV:N/AC:L/Au:N/C:N/I:P/A:N |
Classification
- Weakness
-
- CWE-335 Incorrect Usage of Seeds in Pseudo-Random Number Generator (PRNG)
References
-
devcraft.io
/posts/2017/07/21/tp-link-archer-c9-admin-password-reset.html
exploit, third-party-advisory
-
tp-link.com
/en/download/Archer-C9_V2.html#Firmware
third-party-advisory
Sources
- CVE List CVE-2017-11519
- NVD CVE-2017-11519
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