Vulnerability in TP-Link Archer C5
CVE-2022-4499
TP-Link routers, Archer C5 and WR710N-V1, using the latest software, the strcmp function used for checking credentials in httpd, is susceptible to a side-channel attack. By measuring the response time of the httpd process, an attacker could guess each byte of the username and password.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.
EPSS exploit prediction
EPSS: 0.007 (52.7th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 53rd percentile — 52.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · change: 0.000
Affected products
- TP-Link Archer C5 — versions V2_160221_US
- TP-Link Archer C5 — versions 2.0
- TP-Link Archer C5 Firmware — versions 2_160201_us
- TP-Link Tl-Wr710n — versions 1.0
- TP-Link Tl-Wr710n Firmware — versions 1_151022_us
- TP-Link Wr710n — versions V1-151022
Weakness classification (CWE)
Public proof-of-concept exploits
References
- kb.cert.org/vuls/id/572615 (VDB Entry, Third Party Advisory)
- af854a3a-2127-422b-91ae-364da2661108
Frequently asked questions
- What is CVE-2022-4499?
- CVE-2022-4499 is a high-severity vulnerability in TP-Link Archer C5, classified under Observable Discrepancy. CVSS score: 7.5/10. Published 2023-01-11.
- How severe is CVE-2022-4499?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2022-4499 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.