CVE-2020-26728 json
A vulnerability was discovered in Tenda AC9 v3.0 V15.03.06.42_multi and Tenda AC9 V1.0 V15.03.05.19(6318)_CN which allows for remote code e…
published 2022-02-11 4 y ago modified 2026-06-17 4 mo ago also EUVD-2020-19266
- cvss
- 9.8
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 3.8%
- EPSS 3.8% chance of exploitation in 30 days, percentile 89%
- public exploits
- 0
- none known
Summary
A vulnerability was discovered in Tenda AC9 v3.0 V15.03.06.42_multi and Tenda AC9 V1.0 V15.03.05.19(6318)_CN which allows for remote code execution via shell metacharacters in the guestuser field to the __fastcall function with a POST request.
Exploit prediction
3.77% chance of exploitation in the next 30 days, higher than 89% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- github.com https://github.com/Lyc-heng/routers/blob/a80b30bccfc9b76f3a4868ff28ad5ce2e0fca180/routers/rce1.md referenced PoC, tagged "exploit" by a source, unverified
- github.com https://github.com/Lyc-heng/routers/blob/main/routers/rce1.md referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 7.5 | AV:N/AC:L/Au:N/C:P/I:P/A:P |
References
-
github.com
/Lyc-heng/routers/blob/a80b30bccfc9b76f3a4868ff28ad5ce2e0fca180/routers/rce1.md
exploit, third-party-advisory
-
github.com
/Lyc-heng/routers/blob/main/routers/rce1.md
exploit, third-party-advisory
-
github.com
/Lyc-heng/Router/blob/main/Tenda/rce1.md
broken-link
Sources
- CVE List CVE-2020-26728
- NVD CVE-2020-26728
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