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CVE-2026-2140

A vulnerability was identified in Tenda TX9 up to 22.03.02.10_multi. Affected by this issue is the function sub_4223E0 of the file /goform/setMacFilterCfg. Such manipulation of the argument deviceList leads to buffer overflow. The attack may be launched remotely. The exploit is publicly available and might be used.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:277a451f519a543fcad504a77eaae7d85bd0653a3add4a1270b19eb788478ead
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
2

Preserved source conflicts

No provider value was silently selected as the winner.

cvss · 4 assertions

{"metric":{"baseScore":9,"vectorString":"AV:N/AC:L/Au:S/C:C/I:C/A:C/E:POC/RL:ND/RC:UR","version":"2.0"},"metric_type":"cvssV2_0"}

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:76e27a697ede86139eb3c2cc526a1b961bd1ef9863ca1df0576802e764cce957 · sha256:f931b70aefe247c0… · /containers/cna/metrics/3/cvssV2_0

{"metric":{"baseScore":8.8,"baseSeverity":"HIGH","vectorString":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R","version":"3.0"},"metric_type":"cvssV3_0"}

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:76e27a697ede86139eb3c2cc526a1b961bd1ef9863ca1df0576802e764cce957 · sha256:f931b70aefe247c0… · /containers/cna/metrics/2/cvssV3_0

{"metric":{"baseScore":8.7,"baseSeverity":"HIGH","vectorString":"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","version":"4.0"},"metric_type":"cvssV4_0"}

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:76e27a697ede86139eb3c2cc526a1b961bd1ef9863ca1df0576802e764cce957 · sha256:f931b70aefe247c0… · /containers/cna/metrics/0/cvssV4_0

{"metric":{"baseScore":8.8,"baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R","version":"3.1"},"metric_type":"cvssV3_1"}

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:76e27a697ede86139eb3c2cc526a1b961bd1ef9863ca1df0576802e764cce957 · sha256:f931b70aefe247c0… · /containers/cna/metrics/1/cvssV3_1
cwe · 2 assertions

{"cweId":"CWE-119","description":"Memory Corruption","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:76e27a697ede86139eb3c2cc526a1b961bd1ef9863ca1df0576802e764cce957 · sha256:f931b70aefe247c0… · /containers/cna/problemTypes/1/descriptions/0

{"cweId":"CWE-120","description":"Buffer Overflow","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:76e27a697ede86139eb3c2cc526a1b961bd1ef9863ca1df0576802e764cce957 · sha256:f931b70aefe247c0… · /containers/cna/problemTypes/0/descriptions/0

Affected products and versions

1 source assertion
{"cpes":["cpe:2.3:o:tenda:tx9_firmware:*:*:*:*:*:*:*:*"],"product":"TX9","vendor":"Tenda","versions":[{"status":"affected","version":"22.03.02.10_multi"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:76e27a697ede86139eb3c2cc526a1b961bd1ef9863ca1df0576802e764cce957 · sha256:f931b70aefe247c0… · /containers/cna/affected/0

Provider-owned CVSS observations

4 source assertions
{"metric":{"baseScore":9,"vectorString":"AV:N/AC:L/Au:S/C:C/I:C/A:C/E:POC/RL:ND/RC:UR","version":"2.0"},"metric_type":"cvssV2_0"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:76e27a697ede86139eb3c2cc526a1b961bd1ef9863ca1df0576802e764cce957 · sha256:f931b70aefe247c0… · /containers/cna/metrics/3/cvssV2_0
{"metric":{"baseScore":8.8,"baseSeverity":"HIGH","vectorString":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R","version":"3.0"},"metric_type":"cvssV3_0"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:76e27a697ede86139eb3c2cc526a1b961bd1ef9863ca1df0576802e764cce957 · sha256:f931b70aefe247c0… · /containers/cna/metrics/2/cvssV3_0
{"metric":{"baseScore":8.7,"baseSeverity":"HIGH","vectorString":"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","version":"4.0"},"metric_type":"cvssV4_0"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:76e27a697ede86139eb3c2cc526a1b961bd1ef9863ca1df0576802e764cce957 · sha256:f931b70aefe247c0… · /containers/cna/metrics/0/cvssV4_0
{"metric":{"baseScore":8.8,"baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:76e27a697ede86139eb3c2cc526a1b961bd1ef9863ca1df0576802e764cce957 · sha256:f931b70aefe247c0… · /containers/cna/metrics/1/cvssV3_1

CWE assertions

2 source assertions
{"cweId":"CWE-119","description":"Memory Corruption","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:76e27a697ede86139eb3c2cc526a1b961bd1ef9863ca1df0576802e764cce957 · sha256:f931b70aefe247c0… · /containers/cna/problemTypes/1/descriptions/0
{"cweId":"CWE-120","description":"Buffer Overflow","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:76e27a697ede86139eb3c2cc526a1b961bd1ef9863ca1df0576802e764cce957 · sha256:f931b70aefe247c0… · /containers/cna/problemTypes/0/descriptions/0

Source references

7 source assertions
{"tags":["related"],"url":"https://github.com/MRAdera/IoT-Vuls/blob/main/tenda/tx9%20pro/setMacFilterCfg.md"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:76e27a697ede86139eb3c2cc526a1b961bd1ef9863ca1df0576802e764cce957 · sha256:f931b70aefe247c0… · /containers/cna/references/4
{"tags":["exploit"],"url":"https://github.com/MRAdera/IoT-Vuls/blob/main/tenda/tx9%20pro/setMacFilterCfg.md#poc"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:76e27a697ede86139eb3c2cc526a1b961bd1ef9863ca1df0576802e764cce957 · sha256:f931b70aefe247c0… · /containers/cna/references/5
{"name":"VDB-344775 | CTI Indicators (IOB, IOC, IOA)","tags":["signature","permissions-required"],"url":"https://vuldb.com/?ctiid.344775"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:76e27a697ede86139eb3c2cc526a1b961bd1ef9863ca1df0576802e764cce957 · sha256:f931b70aefe247c0… · /containers/cna/references/1
{"name":"VDB-344775 | Tenda TX9 setMacFilterCfg sub_4223E0 buffer overflow","tags":["vdb-entry","technical-description"],"url":"https://vuldb.com/?id.344775"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:76e27a697ede86139eb3c2cc526a1b961bd1ef9863ca1df0576802e764cce957 · sha256:f931b70aefe247c0… · /containers/cna/references/0
{"name":"Submit #747251 | Tenda TX9 V22.03.02.10_multi Buffer Overflow","tags":["third-party-advisory"],"url":"https://vuldb.com/?submit.747251"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:76e27a697ede86139eb3c2cc526a1b961bd1ef9863ca1df0576802e764cce957 · sha256:f931b70aefe247c0… · /containers/cna/references/2
{"name":"Submit #749747 | Tenda TX9 V22.03.02.18 Stack-based Buffer Overflow (Duplicate)","tags":["third-party-advisory"],"url":"https://vuldb.com/?submit.749747"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:76e27a697ede86139eb3c2cc526a1b961bd1ef9863ca1df0576802e764cce957 · sha256:f931b70aefe247c0… · /containers/cna/references/3
{"tags":["product"],"url":"https://www.tenda.com.cn/"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:76e27a697ede86139eb3c2cc526a1b961bd1ef9863ca1df0576802e764cce957 · sha256:f931b70aefe247c0… · /containers/cna/references/6

Attribution and limitations

  • CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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