CVE-2026-3271

CRITICALNVD 9.89.8—
EchelonGraph scoreMEDIUM confidence

This critical-severity CVE scores 9.8 under NVD CVSS v3. EPSS exploit probability: 0.8%, top 47% of all CVEs by exploit prediction. GitHub Security Advisory enrichment pending alignment with NVD CVSS.

Triggered by: NVD CVSS baseline
Sources: epss, ghsa, nvd
9.8EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 1%CVSS: 9.8Exploit: None knownExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

A vulnerability was found in Tenda F453 1.0.0.3. This impacts the function fromP2pListFilter of the file /goform/P2pListFilterof of the component httpd. The manipulation of the argument page results in buffer overflow. The attack may be launched remotely. The exploit has been made public and could be used.

CVSS v3
9.8
EG Score
9.8(medium)
EG Risk
49(Track)
EG Risk 49/100SSVC: Track

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity98% × 45%
Exploitation1% × 40%
Automatability30% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
1%
EPSS %ILE
54%
KEV
Not listed

Published

February 27, 2026

Last Modified

June 17, 2026

Advisory Details (2)

Auto-updated Sep 14, 2026
🔬 Proof of concept available. No patch confirmed yet.
generic

腾达(Tenda) 官方网站 - 致力于建设值得信赖的好网络

https://www.tenda.com.cn/
generic🟡 PoC Available

vul_db/F453/vul_70/README.md at main · Litengzheng/vul_db · GitHub

https://github.com/Litengzheng/vul_db/blob/main/F453/vul_70/README.md

Weakness Classification(2)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 7× in last 7d / 26× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

  1. 2026-09-18 19:28 UTCEPSS rescore
  2. 2026-09-18 19:28 UTCEPSS rescore
  3. 2026-09-17 19:30 UTCEPSS rescore
  4. 2026-09-16 14:08 UTCEPSS rescore
  5. 2026-09-16 05:15 UTCEPSS rescore
  6. 2026-09-15 03:11 UTCEPSS rescore
  7. 2026-09-13 16:47 UTCEPSS rescore
  8. 2026-09-12 15:01 UTCEPSS rescore
  9. 2026-09-11 14:53 UTCEPSS rescore
  10. 2026-09-11 09:37 UTCEPSS rescore
  11. 2026-09-10 09:34 UTCEPSS rescore
  12. 2026-09-08 22:00 UTCEPSS rescore
  13. 2026-09-07 16:01 UTCEPSS rescore
  14. 2026-09-06 13:47 UTCEPSS rescore
  15. 2026-09-04 05:06 UTCEPSS rescore
  16. 2026-09-02 14:12 UTCEPSS rescore
  17. 2026-09-01 13:53 UTCEPSS rescore
  18. 2026-09-01 04:39 UTCEPSS rescore
  19. 2026-08-30 19:17 UTCEPSS rescore
  20. 2026-08-30 01:22 UTCEPSS rescore
  21. 2026-08-28 21:41 UTCEPSS rescore
  22. 2026-08-27 14:25 UTCEPSS rescore
  23. 2026-08-26 14:46 UTCEPSS rescore
  24. 2026-08-25 13:49 UTCEPSS rescore
  25. 2026-08-23 00:19 UTCEPSS rescore
Show 61 more
  1. 2026-08-21 23:49 UTCEPSS rescore
  2. 2026-08-20 22:55 UTCEPSS rescore
  3. 2026-08-19 17:03 UTCEPSS rescore
  4. 2026-08-18 13:48 UTCEPSS rescore
  5. 2026-08-17 13:47 UTCEPSS rescore
  6. 2026-08-16 14:56 UTCEPSS rescore
  7. 2026-08-16 02:14 UTCEPSS rescore
  8. 2026-08-15 01:30 UTCEPSS rescore
  9. 2026-08-15 00:56 UTCGHSA enrichment
  10. 2026-08-14 21:09 UTCGHSA enrichment
  11. 2026-08-14 12:38 UTCGHSA enrichment
  12. 2026-08-14 08:52 UTCEG score recompute
  13. 2026-08-14 08:52 UTCGHSA enrichment
  14. 2026-08-13 22:00 UTCEPSS rescore
  15. 2026-08-13 04:38 UTCGHSA enrichment
  16. 2026-08-13 00:50 UTCEG score recompute
  17. 2026-08-13 00:50 UTCGHSA enrichment
  18. 2026-08-12 13:51 UTCEPSS rescore
  19. 2026-08-11 23:39 UTCEG score recompute
  20. 2026-08-11 23:39 UTCGHSA enrichment
  21. 2026-08-11 13:43 UTCEPSS rescore
  22. 2026-08-11 06:13 UTCEG score recompute
  23. 2026-08-11 06:13 UTCGHSA enrichment
  24. 2026-08-11 00:00 UTCEPSS rescore
  25. 2026-08-10 13:12 UTCGHSA enrichment
  26. 2026-08-10 08:32 UTCGHSA enrichment
  27. 2026-08-10 01:15 UTCGHSA enrichment
  28. 2026-08-09 21:28 UTCGHSA enrichment
  29. 2026-08-09 17:41 UTCGHSA enrichment
  30. 2026-08-09 13:47 UTCEG score recompute
  31. 2026-08-09 13:47 UTCGHSA enrichment
  32. 2026-08-09 13:46 UTCEPSS rescore
  33. 2026-08-09 08:30 UTCEG score recompute
  34. 2026-08-09 08:30 UTCGHSA enrichment
  35. 2026-08-08 16:37 UTCEPSS rescore
  36. 2026-08-08 11:47 UTCGHSA enrichment
  37. 2026-08-08 07:52 UTCGHSA enrichment
  38. 2026-08-08 04:06 UTCGHSA enrichment
  39. 2026-08-08 00:19 UTCGHSA enrichment
  40. 2026-08-07 20:33 UTCEG score recompute
  41. 2026-08-07 20:33 UTCGHSA enrichment
  42. 2026-08-06 13:46 UTCEPSS rescore
  43. 2026-08-06 06:42 UTCGHSA enrichment
  44. 2026-08-06 02:55 UTCEG score recompute
  45. 2026-08-06 02:55 UTCGHSA enrichment
  46. 2026-08-05 19:17 UTCEPSS rescore
  47. 2026-08-04 15:10 UTCEPSS rescore
  48. 2026-08-04 10:38 UTCEPSS rescore
  49. 2026-08-04 04:55 UTCEG score recompute
  50. 2026-08-04 04:55 UTCGHSA enrichment
  51. 2026-08-03 10:36 UTCEPSS rescore
  52. 2026-08-02 23:12 UTCGHSA enrichment
  53. 2026-08-02 19:25 UTCEG score recompute
  54. 2026-08-02 19:25 UTCGHSA enrichment
  55. 2026-08-02 02:27 UTCEPSS rescore
  56. 2026-08-01 04:16 UTCEPSS rescore
  57. 2026-07-30 16:28 UTCEPSS rescore
  58. 2026-07-30 01:30 UTCEPSS rescore
  59. 2026-07-27 14:13 UTCEPSS rescore
  60. 2026-07-27 14:04 UTCEG score recompute
  61. 2026-07-27 14:04 UTCGHSA enrichment

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-3271?
CVE-2026-3271 is a critical vulnerability published on February 27, 2026. A vulnerability was found in Tenda F453 1.0.0.3. This impacts the function fromP2pListFilter of the file /goform/P2pListFilterof of the component httpd. The manipulation of the argument page results in buffer overflow. The attack may be launched remotely. The exploit has been made public and could…
When was CVE-2026-3271 disclosed?
CVE-2026-3271 was first published in the National Vulnerability Database on February 27, 2026, with the most recent update on June 17, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-3271 actively exploited?
CVE-2026-3271 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 1% probability of exploitation in the next 30 days, which ranks it in the top 45.6% of all scored CVEs.
What is the CVSS score of CVE-2026-3271?
CVE-2026-3271 has a CVSS v3 base score of 9.8 (NVD).
How do I remediate CVE-2026-3271?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-3271, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

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