CVE-2026-2930
CVE-2026-2930 is a medium-severity vulnerability in Tenda A18 Firmware with a CVSS 3.x base score of 6.3. 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-119.
Key facts
- Severity: Medium (CVSS 3.x base score 6.3)
- CVSS v2: 6.5
- CVSS v4: 2.1
- EPSS exploit prediction: 0% (22nd percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2026-7697
- Weakness: CWE-119
- Affected product: Tenda A18 Firmware
- Published:
- Last modified:
Description
A vulnerability was identified in Tenda A18 15.13.07.13. The affected element is the function webCgiGetUploadFile of the file /cgi-bin/UploadCfg of the component Httpd Service. Such manipulation of the argument boundary leads to stack-based buffer overflow. The attack can be executed remotely. The exploit is publicly available and might be used.
Frequently asked questions
- What is CVE-2026-2930?
- A vulnerability was identified in Tenda A18 15.13.07.13. The affected element is the function webCgiGetUploadFile of the file /cgi-bin/UploadCfg of the component Httpd Service. Such manipulation of the argument boundary leads to stack-based buffer overflow. The attack can be executed remotely. The exploit is publicly available and might be used.
- How severe is CVE-2026-2930?
- CVE-2026-2930 has a CVSS 3.x base score of 6.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.
- Is CVE-2026-2930 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (22nd percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2026-2930?
- CVE-2026-2930 affects Tenda A18 Firmware. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2026-2930?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- Does CVE-2026-2930 have an EU (EUVD) identifier?
- Yes. CVE-2026-2930 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-7697.
- When was CVE-2026-2930 published?
- CVE-2026-2930 was published on 2026-02-22 and last updated on 2026-06-17.
References
- https://github.com/master-abc/cve/issues/40
- https://vuldb.com/?ctiid.347277
- https://vuldb.com/?id.347277
- https://vuldb.com/?submit.755227
- https://www.tenda.com.cn/
Affected products (1)
- cpe:2.3:o:tenda:a18_firmware:15.13.07.13:*:*:*:*:*:*:*
More vulnerabilities in Tenda A18 Firmware
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- CVE-2026-2876 — High (CVSS 8.8): A vulnerability was determined in Tenda A18 15.13.07.13. This affects the function parse_macfilter_rule of the file…
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- CVE-2023-39829 — High (CVSS 7.5): Tenda A18 V15.13.07.09 was discovered to contain a stack overflow via the wpapsk_crypto2_4g parameter in the…
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