CVE-2020-5797
CVE-2020-5797 is a medium-severity vulnerability in Tp-link Archer C9 Firmware with a CVSS 3.x base score of 6.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-59.
Key facts
- Severity: Medium (CVSS 3.x base score 6.1)
- CVSS v2: 3.6
- EPSS exploit prediction: 1% (47th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-59
- Affected product: Tp-link Archer C9 Firmware
- Published:
- Last modified:
Description
UNIX Symbolic Link (Symlink) Following in TP-Link Archer C9(US)_V1_180125 firmware allows an unauthenticated actor, with physical access and network access, to read sensitive files and write to a limited set of files after plugging a crafted USB drive into the router.
Frequently asked questions
- What is CVE-2020-5797?
- UNIX Symbolic Link (Symlink) Following in TP-Link Archer C9(US)_V1_180125 firmware allows an unauthenticated actor, with physical access and network access, to read sensitive files and write to a limited set of files after plugging a crafted USB drive into the router.
- How severe is CVE-2020-5797?
- CVE-2020-5797 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over physical access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability none.
- Is CVE-2020-5797 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (47th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2020-5797?
- CVE-2020-5797 affects Tp-link Archer C9 Firmware. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2020-5797?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2020-5797 published?
- CVE-2020-5797 was published on 2020-11-21 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:o:tp-link:archer_c9_firmware:180125:*:*:*:*:*:*:*
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