CVE-2026-5841
CVE-2026-5841 is a high-severity vulnerability in Tenda I3 Firmware with a CVSS 3.x base score of 7.3. 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-22.
Key facts
- Severity: High (CVSS 3.x base score 7.3)
- CVSS v2: 7.5
- CVSS v4: 5.5
- EPSS exploit prediction: 1% (46th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2026-20850
- Weakness: CWE-22
- Affected product: Tenda I3 Firmware
- Published:
- Last modified:
Description
A weakness has been identified in Tenda i3 1.0.0.6(2204). The affected element is the function R7WebsSecurityHandler of the component HTTP Handler. Executing a manipulation can lead to path traversal. The attack can be executed remotely. The exploit has been made available to the public and could be used for attacks.
Frequently asked questions
- What is CVE-2026-5841?
- A weakness has been identified in Tenda i3 1.0.0.6(2204). The affected element is the function R7WebsSecurityHandler of the component HTTP Handler. Executing a manipulation can lead to path traversal. The attack can be executed remotely. The exploit has been made available to the public and could be used for attacks.
- How severe is CVE-2026-5841?
- CVE-2026-5841 has a CVSS 3.x base score of 7.3, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.
- Is CVE-2026-5841 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (46th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2026-5841?
- CVE-2026-5841 affects Tenda I3 Firmware. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2026-5841?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- Does CVE-2026-5841 have an EU (EUVD) identifier?
- Yes. CVE-2026-5841 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-20850.
- When was CVE-2026-5841 published?
- CVE-2026-5841 was published on 2026-04-09 and last updated on 2026-06-17.
References
- https://github.com/MrXiaoFan/TendaVul/tree/main/tenda-i3-V1.0.0.6(2204)-R7WebsSecurityHandler-Authentication%20Bypass%20Issues
- https://vuldb.com/submit/789935
- https://vuldb.com/vuln/356297
- https://vuldb.com/vuln/356297/cti
- https://www.tenda.com.cn/
Affected products (1)
- cpe:2.3:o:tenda:i3_firmware:1.0.0.6\(2204\):*:*:*:*:*:*:*
More vulnerabilities in Tenda I3 Firmware
- CVE-2026-3971 — High (CVSS 8.8): A vulnerability has been found in Tenda i3 1.0.0.6(2204). Affected by this vulnerability is the function formwrlSSIDset…
- CVE-2026-3970 — High (CVSS 8.8): A flaw has been found in Tenda i3 1.0.0.6(2204). Affected is the function formwrlSSIDget of the file…
- CVE-2026-3804 — High (CVSS 8.8): A security flaw has been discovered in Tenda i3 1.0.0.6(2204). This vulnerability affects the function…
- CVE-2026-3803 — High (CVSS 8.8): A vulnerability was identified in Tenda i3 1.0.0.6(2204). This affects the function formWifiMacFilterGet of the file…
- CVE-2026-3802 — High (CVSS 8.8): A vulnerability was determined in Tenda i3 1.0.0.6(2204). Affected by this issue is the function formexeCommand of the…
- CVE-2026-3801 — High (CVSS 8.8): A vulnerability was found in Tenda i3 1.0.0.6(2204). Affected by this vulnerability is the function formSetAutoPing of…
All CVEs affecting Tenda I3 Firmware →
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